It's not a right to let people like that adopt kids, or a right to declare a sick lifestyle normal because of political pressure. If people into sado masochism organize and raise money, will couples in leather and carrying whips be considered good parents, and normal? How about people into threesomes?
Most people in America are against,it, what about citizens right to vote? Citizens in California said no, their vote was discarded. New York knew citizens would vote it down, they would not allow people to vote on issue. Voting rights and rights of majority have been trampled.