David to Oram question?

Nathan Adler
MemberFacehuggerJune 20, 20176771 Views23 RepliesIn AC, David mentions to Oram about the morphs from Prometheus, but how can he claim much knowledge of this other than the Trilobyte since the Deacon didn't emerge until after he and Shaw had departed LV-223 - so he couldn’t necessarily predict the specifics of what would burst forth from a host once the trilobite had deposited its egg internally since the previous Prometheus crew members affected by the hammerpedes/ black goo had just physically transformed and not actually incubated a 'burster'?