I read your list of "basic reasons" and honestly non of them are one sided. All of these things are applicable to both sexes. And as far as the employment/pay gap between a man and a woman, much of that has to do with child bearing. On average a woman leaves the work force for 6 years after child birth. The father (assuming he's still present) is still able to work, therefor any employer is going to take the safe bet. I'm all for equality, but gender rolls weren't just written by some dude once.