That would surely doom the franchise because then only gays would go see it or gays and people who see nothing wrong with it, the straight people would not go see it and there are more of them than gays I'd say. Star Trek New Voyages went down the tubes big time when they introduced their gay person, lots of people quit watching it. The same would happen here.
Have you any evidence to support these assertions?
Well, as stated and proven by a poster already, hundreds or more quit watching New Voyages. As I understand there was a user or a poster on here last year that got booted off because of his postings about gay but before that happened I was told he had quite a following. I can't believe a comparison between Star Trek and Modern Family..two totally complete kinds of genre, cannot compare. I personally do not watch shows that have gay characters, acting or real.