Or handicap them like with horses. Weight belts to equalise things.
I am not sure there are enough trans swimmers to have a proper tournament of their own.
Folks don't want to admit it, but you can't actually change a person's sex entirely. Cellular biology is what it is.
The bigger political point. Dems need to focus less on minority interests and more on the majority and the swing vote. When they pursue the righteous causes of the left, they invariably lose the middle. They make the same mistakes over and over.