There are sufficient prehistoric structures remaining to prove you and Ball to be idiots.
Liberals have such difficulty coming to grips with the fact that the ancients were vastly more intelligent than present day men. So they make up fantasies to puff themselves up. At least there are enough of their ilk out there to buy their ignorant books and keep the author out of the poor house.
I don’t doubt people were more intelligent BCE. After all, there were no Christians then....