I was expecting you to link someone like Chris Boehm that might actually be considered an expert. Jordan Peterson isn't one. All you have to do is listen to that for it to be immediately clear how little he engages with the existing literature and data on this subject.
Brain chemicals that indicate relative status to others, doesn't demand a heirarchy as a final answer. There's a multitude of ways of dealing with that, none of which are explored except for JP's catholic presuppositions.