Settle the dispute with the strong, simple argument. Sweep up all the edge cases and put them in place.
Anything with a Y chromosome is male, period. IDGAF about genitals. Y = male. No Y = female. Couldn't be simpler.
Oh, and shame the tranny for using someone's real health problems as an excuse to parade their own public perversion. If I was XXY, I'd be FURIOUS at trannies.
That does not validate the delusions of dickless faggots who pretend to be women.
When dealing with these perverts, you simply don't humor any of their ridiculous premises.
It is dangerous to call them that, too.
This one hermaphrodite in China whent for th' high score after some people tormented him.