why did daniels staple his face!!!!

Yes, that scene struck me as odd too.

Walter may be self-healing but like us he fleshy humans may need something to keep wounds together to help the healing process.

We ourselves are somewhat self-healing but still need medical aid. I don't think it would have been anything out of the ordinary for Daniels to provide first aid to the ship synthetic.

Sorry, I can't resist, your post reminded me of this XD

@Nobeer

Both David and Walter have rapid healing abilities, but their not perfect. For example, Walter couldn't grow back his arm.

The novel makes it more clear that they both have the same sort of fast healing abilities - in the novel, Daniels stabs David in the eye with the nail and it rapidly heals.

The thing that made Walter's recovery from David's first attack remarkable was the fact that there was a control inside his neck in that spot that should have forced a shut-down. The update Walter referred to wasn't an improvement on healing abilities but rather the ability to recover from an unauthorized shutdown.

when there is a Plot Hole or Bad Writing which this was...

Then indeed as IRaptus has mentioned we have to look at ways to give a plausible explanation and so i think what IRaptus had put could work.

Other than that its does Daniels know Walters Capabilities?  a lot of Women own Cars, and Computers (even Men so i dont see sexist) but this does not mean everyone who owns them know 100% how they work, or indeed every component and its role.

But yes this is one of the number of not so good written parts

What VivisectedEngineer puts is right and a great point.. if the movie had incorporated a number of things from the Novel then this would not be so much a Question.

I will add with all this fear/virus promotional stuff being shown. Why was the the returning crew of Daniels and Lope, 'NOT' extensively scanned for a viral infection? David did tell them that "they would know by now" if infected but it still seems like it's overlooked. Like why cycle/take mother offline, reboot the ship/mother when a VERY important quarantine SHOULD be taking place. Everything just seems a lazy writing excuse to move the plot ahead. They could have been in the med lab scanning everybody and find it in Lope but there's nothing they could do because it's busts out before they can expel him into space. Idk, i agree thy should know Walter is self healing. At this point, it's just beating a dead horse and I apologize 

@BigDave, why is that bad writing? It seems entirely obvious to me that if skin - even artificial skin - is ripped apart to a great extent, it would need to be held together for the healing process to take place, even if for a short time. There are tyres that can 'self heal' in the event of a puncture (like getting a nail in a chin). Those tyres can't self heal if they get ripped off the wheel and lacerated, however. That would be one mad bit of engineering and is not essential for the operation of a tyre.

In the sci-fi universe, it could well be possible to build self-healing machines that do so autonomously after extreme damage (think the Terminator in T2, for example). But David is not built like that. I would imagine that creating David in such a way that ruptured organs seek out and recombine with distant counterparts would be sub-optimal, a pointless engineering task that would be detrimental to other functions.

@iraptus 

Sure, humans need time to heal but Walter healed within moments from a massive hole in his neck. Him not being able to heal a minor cut on his face is a huge contradiction to the so-called healing ability.  So, what you’re saying is while a small slice to the face may require first aid a massive blunt force puncture to the neck does not? Doesn’t work for me bruh. Your gif sucks btw. You aren’t worthy of gifing the rock on any forum.

@vivisectedengineer

I can’t speak on David because his abilities haven’t been spoken on in either movie. While Walters has. So, I have no way of seeing that David has any sort of healing abilities other than to take your word for it. During the fight, the scene when Walter says, “Much has changed since you were me”. He seems to be in no way referencing anything other than the fact of his ability to self-heal. So, if you’re telling me David can do the same thing, then why would he say that things have changed since David was Walter. Again, I am only speaking of his healing ability, it would have been one thing if after the shutdown blow from David. Walter had simply gotten back up and said that line. Then we would have known that he was referring to the shutdown. But being that we watched him heal and then get right back up, leads the audience to think that it’s his rapid ability to which he is speaking and nothing about some magical ability to defend against an unauthorized shutdown. Leads me to my original question that if his neck was able to heal then why couldn't all of the face wounds heal as well?

@bigdave

Yes I agree that men or women aren’t expected to be master mechanics and know intricate workings of their automobiles. But when you buy them the major features of said automobiles are usually listed or told you by the manufacturer. Such as power windows, gas mileage, engine specs, etc etc.. You would think that something as serious as this would be made known to the crew especially someone like Tennessee who was the fix it guy on the ship. So as to know that in a serious situation you would not have to worry about maintenance to the droid and you can worry about fixing more important issues instead. I do agree that it is just extremely crappy writing unless there is some miracle way that they’re going to fit it into the story.

Also, as I explained before, I agree that they should have incorporated more of the novel into the movie. But it is the job of the director to make the assumption that we have not as an audience read the novels and therefore it is their job to translate it into the films so that we understand.

@capt torgo

I also agree with you that some sort of quarantine or at the very least a thorough check of all crew members including the droid should have been done. Especially since the droid is so very human and in some way, could be a carrier of the spoors. That could have not only saved the crew but it would have also made the face huggers embryo’s inside David obvious. Also, you would think the ship would be able to tell the difference between David and Walter easily. Being that it had its own integrated AI and since they were different androids you would think they would have different serial numbers and things of that nature that an AI would easily pick up on.

Nobeer you may be 100% right, im just offering a possible explanation with what we have to go with :-)

Remember in Prometheus when Holloway scoffs at David for wearing a suit & helmet when they venture onto LV223 surface.

Charlie Holloway: You don't breathe, remember? So why wear a suit?

David: I was designed like this because you are more comfortable interacting with your own kind. If I didn't wear a suit, it would defeat the purpose.

Perhaps superficial injuries to skin are left to not heal so quickly as to improve the human illusion, whilst grievous injuries like the one he suffered from David heal more rapidly. Having a synthetic with a gaping hole in his neck spurting white fluid would ruin that illusion pretty quick. Injuries to major components that threat his viability may also have rapid healing abilities.

Again, just working with what we have.

Apologises if you did not enjoy my Rock antics. perhaps we should drink to new beginnings.. XD

"I will add with all this fear/virus promotional stuff being shown. Why was the the returning crew of Daniels and Lope, 'NOT' extensively scanned for a viral infection? David did tell them that "they would know by now" if infected but it still seems like it's overlooked. Like why cycle/take mother offline, reboot the ship/mother when a VERY important quarantine SHOULD be taking place. Everything just seems a lazy writing excuse to move the plot ahead. They could have been in the med lab scanning everybody and find it in Lope but there's nothing they could do because it's busts out before they can expel him into space. Idk, i agree thy should know Walter is self healing. At this point, it's just beating a dead horse and I apologize "

Like David said, they would have known by then and at the point nobody figured they were infected. It's not like they stuck their faces where they weren't supposed to lol They only know about the spores and those are quick to react as opposed to a facehugger embryo which none but Oram knew about. Yeah, Lope was attacked by a facehugger too but he was incapacitated to provide any details. Besides, after everything they went through they were exhausted and truly believed they had left everything behind them. Mu/Th/Ur had taken a beating too while going closer to the planet and she needed a break to properly assess the damage.

I don't think anyone really knew about Walter's full capabilities or whether or not he had a healing factor. Which is why Daniels didn't question him.

"Perhaps superficial injuries to skin are left to not heal so quickly as to improve the human illusion, whilst grievous injuries like the one he suffered from David heal more rapidly. Having a synthetic with a gaping hole in his neck spurting white fluid would ruin that illusion pretty quick. Injuries to major components that threat his viability may also have rapid healing abilities."

Good point IRaptus. Which would explain why his hand hadn't healed quickly. I can't remember but did Walter have the scar on his face during his battle with David?