Indeed, and it is behaviour that is a CHOICE. God forbid someone actually discovers it is a genetic disorder— they certainly don’t want that because then they would be quantified in a disease database. On the mental DSM front, long ago the homo psychiatrists made the world safe for themselves as declared “normal in the spectrum” so they could “choose” to be homo. Well documented this happened in a political move within the professional societies.
I remember the time when the radio proudly declared that the APA reversed its belief that homosexuality was a disorder.