: If one might expect an evolutionary adaptation to an environment via natural
: selection over many generations, to get that result immediately through
: genetic engineering is an "acceleration" of a sort. That's what
: the Librarian is doing here.

Except the Spartans were all pretty much going to die in battle having borne no children - most of them already did. Evolution doesn't work if you don't pass on your genes. So much for the Librarian's great plan.