People want to be right. Moreover, taking offense is a kind of tribal ritual, even if you're only taking offense at other people taking offense. Thus a century ago, blacks weren't fighting for the rights of citizenship, they were actually fighting for the right to "ravage Southern white womanhood," and today gays aren't trying to secure marriage rights, they're forcing preachers to preside over gay marriages.
When you aren't the hero of the narrative, you simply change the narrative. No one says--"It's my intent to hurt you." It's usually more like--"Why are you making me hurt you." This is why "I found that offensive," quickly becomes "How dare you call me a racist!"
This article available online at:
http://www.theatlantic.com/entertainment/archive/2009/10/you-sir-have-offended-my-honor/28166/
