Maybe Im just not understanding the point of the centaur analogy, but it seems more convoluting than it does useful. At least in comparison to just making the same points without the analogy.

The point of a good analogy is to make your broader points immediately register with the reader, not create an entirely new concept to explain

I know plenty of interesting straight men capable of thinking for themselves, and none of them ever joined a fraternity

Gay/bi dudes are interesting enough unique people to not have to pay for friends by joining a dumbass fraternity

Honestly I assume anyone that joins a fraternity is some type of quasi-sentient NPC incapable of thinking for themselves