I think they make it up... remember they create a whole history of some ape man from a small finger bone or something...
anyways this stood out to me...
“They found an order of magnitude more mitochondrial diversity, says Peter. “I don’t know any human population where we would see that,” he says.
This suggests that men stayed in the same group where they were born, but that most women moved to different groups.”
Don’t girls get sent of to live with her husband, and his family. Dont boys stay with the family and inherit the wealth? That seems like pretty basic, common practice to me.
“Female-based migration is the predominant pattern in modern hunter-gatherers”
That’s the polite way of saying women are raided, traded or sold.
Or...one group would regularly steal the females of other groups and all of the related males within the group would impregnate her.