It is slightly strange. The related concept of 'type A' vs 'type B' personalities is useful (even if not backed by science) to bucket people based on their gene

It is slightly strange. The related concept of 'type A' vs 'type B' personalities is useful (even if not backed by science) to bucket people based on their general behavior. But only with men do we take that single step further and say that the 'type A'-ness is actually an intrinsic property of their being instead of just a way they behave.