Well, here's the capstone:

The ambition, competition, and striving for greatness may well be linked to this requirement to fight for respect. All-male groups tend to be marked by putdowns and other practices that remind everybody that there is not enough respect to go around, because this awareness motivates each man to try harder to earn respect. This, incidentally, has probably been a major source of friction as women have moved into the workplace, and organizations have had to shift toward policies that everyone is entitled to respect. The men hadn’t originally built them to respect everybody.