Let's just make sure we're all correct in our assertions. Being gay is no more a "lifestyle choice" than being straight. I can't choose to change my mind and be gay and my friends can't change their mind and choose to be straight. Going out every weekend and drinking to excess is a lifestyle choice, sexual orientation isn't.

It's true that there shouldn't be any harassment either way. We should no more discriminate against someone's religious beliefs any more than they should discriminate against someone's sexual orientation. So I agree that it's best to keep those topics off the table for discussion.