Sports at the top level already are dominated by rich kids. Wealth is actually more likely to lead to athletic advantages than being a trans woman.

https://www.cces.ca/sites/default/files/content/docs/pdf/transgenderwomenathletesandelitesport-ascientificreview-e-final.pdf

Hmm, this link might be dead. Search for “Canadian Centre for Ethics in Sport - Transgender Women Athletes and Elite Sport” and it should pop up.

More:

https://news.osu.edu/want-to-play-college-sports-a-wealthy-family-helps/

The Income Gap Is Becoming a Physical-Activity Divide https://www.nytimes.com/2023/03/24/health/sports-physical-education-children.html?smid=nytcore-android-share