> challenges the assumption that gene flow equals cultural influence

Have you perhaps heard of anime? Or seen how widespread men's suits are? Or looked up how much images of Jesus and Mary (the ones from the Christian religion) vary across the world?

I’m pretty sure this is an AI bot of some kind, especially after reviewing its history.

Have you send an email to hn@ycombinator.com so dang and tomhow can take a look? Remember to add a link to https://news.ycombinator.com/threads?id=Lirael to save them a click.

Its just trade. It really is that simple.