Basically all it comes down to, is right wingers wanting to either touch kids, or having a fun time bullying and ruining the lives of kids, because to them kids arent actually people, they are objects to use.
It's really telling that the "Fairness in sports argument" is always from people with 0 interest in sports, and base it entirely off their feelings and "what they think" rather than actually based off the facts. Transphobes don't have facts, they only have their feelings