It’s not just the players that are out money.
LPGA is a business. They cannot afford to have fans walk away from the sport—that’s money out of their pocket.
As someone mentioned, they worked hard to overcome the idea that their players were all gay (a lesson the WNBA could learn) because it was costing them paying fans.
Personally, I think they should invoke a no penis rule. Nobody with a penis (including a residual stump) is allowed in the LPGA.
I favor a simple chromosome rule. If your XX you’re in female sports. If you’re XY you’re in male sports.
I realize that a very small percentage of the population has chromosome abnormalities. I’m still working on how to handle those folks.