This has absolutely nothing to do with your alien buddies, but legitimate recent discoveries. The ancient world was nothing like portrayed in modern fiction or movies. People did not even think as we do.
How, would you know?
A flash frozen carcass of a wooly mammoth?
Out in open ground, with deliberate kill wounds, is suddenly frozen into, a literal time suspension from degrading naturally.
What in creation, does that physical observation/evidence- have to do with... “People did not even think as we do.”
You were not joking. I would like to know your reason. Thanks.