Somewhere with a healthy gender mix feel more inviting overall than somewhere with a "bro club" atmosphere (or the opposite of that).
There are a number of problems with your post, but this one stands out. When a woman marries a man, the competition doesn't end, it's just starting. Many women don't plan to marry well, they plan to divorce well.
Not judging, just saying. Marriage is not the absence of competition, it's competition taken to a new height -- or do I mean depth?
From my recollection the women tended to be more conscientious about their studies too and often had added pressure from being the first woman in their immediate family to have attended higher education.