Show me the exact rule where it says a woman can not play for a male team (after a certain age). I just watched a local boys' 15 team having a female player (and, no, she was not gender fluid, etc)God you're ignorant. Yes there explicitly is a rule.
I remember a few years ago (must be 10-15 years no) when a Seri A club had a female player on trial and wanted to play her - but, naturally, she was never deemed good enough.
So they must have changed the rules since then