This article [0] discusses and expands upon many of the questions you asked. 0: http://slatestarcodex.com/2017/08/07/contra-grant-on-exaggerated-differences/ h

This article [0] discusses and expands upon many of the questions you asked. 0: http://slatestarcodex.com/2017/08/07/contra-grant-on-exaggerated-differences/ http://slatestarcodex.com/2017/08/07/contra-grant-on-exagger...