USA Hockey banned trans players from playing as their gender, even in amateur leagues
(www.lgbtqnation.com)
Yeah I think some of it is the delusions of fame and fortune - that is, parents think their little Timmy is the next Sidney Crosby and any potential competition to that must be removed.
Fact is that Timmy probably isn't the next Crosby, and none of those games actually matter in the long run.