You think the conclusion someone has come to from their own "lived-in" experience is "disgusting?" Those are strong words...
If they "chose" their sexuality, then I question their ability to have a sexuality at all. That just screams "sociopath"...
Sociopaths often don't have a preference for either, thus making a "choice" much easier. Choosing to be gay in such situations may be beneficial for whatever purposes they're working towards.
And I don't sympathize with sociopaths.
So again... yeah, it is disgusting. If a "gay" guy says he "chose" it, cut that guy out of your life. He's probably trying to take advantage of you or manipulate you somehow... as sociopaths are wont to do.
Sorry, but this is ridiculous. I have immense respect for you on this forum, but to assume that your experience is the only right way to be gay, to me, really trivializes people who struggle with labelling their sexuality. I don't know what I was born liking, what I learned to like, what my upbringing encouraged me to like, or what my environment conditioned me to like. I
do know that I believe people deserve dignity, respect, and equal treatment under the law no matter who they are or who they choose to be. To call someone a sociopath for not conforming to your conception of "the gay experience" is wholly unfair and mean-spirited.