The males who patronize them have a market cap. The more females on there sure you'll get some top girls winning tons of cash as they win the lottery for attention, but then plenty will find out that, while you can ride on your age and looks when you're young, when you're competing globally suddenly your birthright to male's money isn't as assured as once thought.

Younger women (30s and under) already have such a fear of commitment as it is. Now they'll have paychecks attached to them staying unattached.