Trump admin sued California over emissions regulations they put on car manufacturers.
These are things you just let happen. If a trans student is hurt or harmed, then you send in the FBI or someone to investigate, but until then, let Florida do their thing, because once a Republican is in office, things could be much much worse and you'd rather have states have a little rights to tell the government to fuck off in far more important matters than the < 100 trans athletes in the United States.