Oh, really? Can you elaborate on this?You do know STD transmission rates(particularly HIV) are MUCH higher among people who engage in that behavior? That says something....
The whole point of Star Trek is in the future we don't care about nonsensical differences like that. As I said, you don't choose what you look like.
You do choose whether you engage in that conduct. There is no biological purpose served by homosexual activity.
I'm sure his "facts" come from watching Pat Robertson on The 700 Club.