I’ll have to disagree with you on this. Based on my research I did not find conclusive evidence on this.
Well based on my research if we stop arguing about trans people in sports and just let people play (because sports don't actually matter) everyone on earth will become billionaires!
It's easy to say things, I really do not care what some rando on the Internet came up with by "doing their own research" unless they have receipts. That's how we got anti-vaxxers and flat earthers.
That’s a well known problem. Sadly, not much we can do to fix it without creating other problems
So we know this is a problem but fixing it isn't important. Trans people in sports we don't know is a problem, trying to "fix" it is creating other problems, so why is that more important to focus on?