On the Fact that if Having Trans Athletes Competing In Sports Is Such a Fair/Natural Proposition Then Why Is it Only Happening (Successfully) In One Direction?

Have you noticed, not a shitload of trans-men kicking butt at MMA, swimming, and track events lately? Something to do with those pesky little X chromosomes (along of course with less testosterone, weaker bone density, inadequate musculature, etc.), I'm assuming.