Apparently a spokesman for the gay rights group Stonewall which has achieved such success in the UK said,
"It's great that JK has said this. It shows that there's no limit to what gay and lesbian people can do, even being a wizard headmaster."I would say rather that it shows that there is no limit to what a popular author can do to court the approval of the politically correct lobby.
Rowling herself seems to have been piqued by the opposition of some Christians:
"[...] she added that not everyone likes her work. Christian groups have alleged the books promote witchcraft. The author said her revelation about Dumbledore would give them one more reason."Well, if you insist...