John Scalzi points us towards Orson Scott Card’s whinging, in which Card says:

A term that has mental-health implications (homophobe) is now routinely applied to anyone who deviates from the politically correct line. How long before opposing gay marriage, or refusing to recognize it, gets you officially classified as “mentally ill”?

That’s a great question: how long before bigotry is considered a mental health issue? Bigotry is an incredible source of evil in the world, it would be awesome if it could be classified as a mental illness. Alas, it is so pervasive that it appears to be part of the human condition. It may be some time before prevention (let alone a cure) can be deployed so, until then, we’ll just have to deal with it as best we are able. And poke fun at those who flash their bigotry in full view of the world.