CthuluIsSpy
A Smooth-Skin
Why would it be non-existent? The anarchy of the bombs falling suddenly made people all accepting, with no one sticking to the old prejudices? Let's not forget that the world retained all the culture of the 50s and from what I remember 1950s US wasn't famous about its kindness to homosexual people.Again, I don't think it's all that unreasonable to suppose that three hundred years in the future homophobia is virtually non-existent.
However, I guess Followers of the Apocalypse would be accepting, more than likely the Fiends and the other junkie raiders, but other than that I can't think of any faction in the Fallout universe that would be accepting toward gay people.
Well, to be pedantic, it was 2070s America that bumped it's head and thought it was in the fifties