If civilization had been left in female hands we would still be living in grass huts.
Pinkerton's main thrust is that current sexual mores will lead to a decline in the population of the West:
Now it's time for some additional leadership; social incentives need to be shifted so that women are encouraged to have more children. Since women vote, these encouragements need to be in the form of carrots, not sticks. Because, of course, the biggest stick -- the looming Death of the West -- should speak loudly to all of us.