Obviously this won’t work for all sports, but things like football, track, soccer, it would allow for de-gendered team, even allowing athletes with the skills but not the genetically-endowed physical attributes to have a place to play.
Note: I know very little about sports and being on a sports team, so please point out anything that doesn’t make sense.
All athletes tend to be outliers, regardless of gender. A small % difference in ability is the difference between 1st place and 300th
Which is why Serena Williams, the #1 female tennis player, loses dramatically to the 203rd male tennis player.
If the 203rd male tennis player became trans, he would instantly become the world’s #1 female player overnight.