I said what I have to say here:
http://www.phalarisproject.com/oped060501.html
I wrote this last year and it may well disappear from my website when I finally get time to update it this year. But my opinion has not, and will not, change.
It's not about the scheduling. It's only remotely about the gender. It's all about the way we don't properly prepare horses for a task that good horses can do, and have done. We need to question the practices that have consistently failed to produce real stars, not try to change the game to manufacture stars.