They get paid less; they don't get to set their pay; but it's somehow their fault that they get paid less?
Any argument you might make defending the sports status quo would have applied to any sexist cultural institution ever. Case in point: every single sentence in the comment to which this is a response.
The men's basketball medal counts just the same as the women's in the Olympics. They both had to train and practice the same to get to that point. That's all I care when I think about opportunities.