Sorry, but those tendencies, in my opinion, are not genetic.
So if all alphabet people have left the gene pool, but culture promotes that lifestyle, then you will have alphabet people
That's why the number of college kids identifying as whatever has gone up from 9% in 2011 to 30+% in 2023--> it is a fad
it is NOT genetic imho
Agreed. However the Amazons long ago ceased to exist.