Not at all. What I mean is each sex has a vested interest in the well being of the other, since both of them have a vested interest in the well being in their c

Not at all. What I mean is each sex has a vested interest in the well being of the other, since both of them have a vested interest in the well being in their children of either sex. If my wife gains from affirmative action while her 5 sons lose, it's a net loss to my wife. By the same token, emancipation of women is good for the man with 5 daughters. The race comparison doesn't hold in quite the same way, because there isn't automatically a heredity line. One group can just exploit the other indefinitely.