Yes, it's literally exclusive, ie you need to be in the club that understands what he really means.
When he says "people with prostates" and you're in the know, you translate that into "male, you know, the ejaculators".
If you're not in the know then fuck you I guess as far as Dr Xand is concerned.
Even the ugly, inaccurate and unnecessary "asigned male at birth" would be better.