She doesn't have the space to go into details, and writers don't choose the headlines, editors do, as clickbait, that's why they often keep changing.

The relation between biology and behavior straddles the fence between physical and social sciences.

If you want to dismiss the social sciences as not science, then you are dismissing the very disciplines that claim that culture has more to with behavior than biology, and have no evidence to show to argue it does, and that therefore social engineering such as affirmative action policies are justified.