OK, so you boot all your women. You're faced with replacing about 20% of your headcount. Where you going to get it from?
Where did we get it for the first 200 years?
It actually hurts recruiting when you tell young men to "join us and become a warrior, a man among men", but we are just as willing to take your little sister or your mom, or maybe that cute little 90 pound girlfriend of yours because it is all the same to us in the end.