You don't even recognize your own bigotry.
I would find two men engaged in a liplock to be disgusting as well, but I would find two hot girls making out to be the opposite. And neither has anything to do with my acceptance of them as people. A morbidly obese heterosexual couple kissing it up might make me want to hurl, and if I were forced to imagine them doing the nasty, I might need to hurl. But none of that has anything go do with bigotry. Bigotry is when a person is denied the same general treatment and common decency accorded to others based on your feelings about what you imagine them doing in private.
It's not surprising that gays are are becoming more accepted because it seems that even the most bigoted people learn compassion when they learn that a son or daughter or niece or nephew is gay, and as it becomes less socially crippling, more gay people are making their orientation known, so more people are learning this compassion.
It's just a shame that this is what is required for some people to understand that gay people are just people.