BUT...
You can't have it both ways.
Go the unisex route if that's what you really want. Allow men and women to enter, attempt to qualify, and play in both PGA and LPGA events. Or, keep to gender-specific events. Pick one. But it's illogical and unfair to allow a woman to enter a male PGA event, without allowing a man to enter an LPGA event.
And in the few specialty/exhibition events where men and women from the tours compete against each other the women still play from the ladies tees.