LGBTs no doubt, and as others have said, BTs in particular. I've always been surprised when some LGs are hateful towards BTs. I've usually come across it as them sayin Bi's and Trans' being in some way inauthentic.
"The reason things will never get better is because people keep electing these rich cocksuckers who don't give a shit about you."
-George Carlin
-George Carlin