I've already provided the expert opinion of other people who studied this topic in New York and Dallas. Why are you still acting as if the Dutch study is the only thing? You even referenced what they've said....

If you want access to Hrdy's research, read her book(s) The same does for Drexler. There’s a reason that they had to publish a several hundred page explanation and that it didn’t all fit into a 7 min. blog post.