(August 4, 2019 at 9:38 pm)Gae Bolga Wrote: You haven’t pointed out any flaw in the existing theory, John.
I agree, I really haven't. I've said numerous times that nothing in the OP is controversial; I'm only pointing to an explanatory gap which you are welcome, and even encouraged, to fill in with evolutionary accounts. For all I know, the answer is already out there, and one of you have come across it and can share it with me.