Because despite all the liberal arguments that homosexuality is ok, it's not.
Says who? You? Homosexuality is OK. If you grow up you may get enough confidence in yourself to realise this.
Most Americans do not want homosexual marriage
Just because they themselves do not want it, does not give them the right to deny it to others. The constitution states "Life, liberty and the pursuit of happiness.", there is no clause about robbing homosexuals of rights bestowed upon heterosexuals. If you were a good citizen, you'd have read and understood your constitution, and support true freedom.
or any kind of special homo rights.
'special', no, equal yes.
They still think it's an abomination.
Sounds a bit biblical to me. Eating shellfish and wearing clothes made from two differerent types of cloth is also an abomination in the OT.
Kids have enough problems growing up.
Yeah, some spout homophobic rants on web forums, and are confused about their own gender and identity, for instance.
They don't need 2 Moms or 2 Dads in the same home.
Waht do they need, hellfire and brimstone?