science

As with bringing back bowerbirds, even if you were to perfectly recreate humans from the DNA of chimps in a world where all humans had gone extinct, they'd hardly be what we call human. Without all of the culture that we've created, developed, and shared for tens of thousands of years, we'd just be a slightly more intelligent than average blank slate.

Even wild animals have learned cultural behaviours, particularly social animals like wolves. Hell, were dire wolves even social?