It was a combination of negative personal experiences (far, far too many with blacks...), current events, and learning about history. Also, I realized how hating myself and my own kind for shit from the past was absolutely stupid. The fact that blacks, American Indians, and other minorities have gotten and continue to receive nigh-endless concessions from whites also made me drop that shit because we've been doing more than enough to make up for the past. Furthermore, contemporary whites aren't oppressing minorities. Hell, I'M not, nor have I ever, oppressed minorities. So fuck white guilt!
I've been over it for a long time, man.

And you're right. Blacks deny or ignore the fact that they have the unique privilege of declaring anything they don't like as racist. There is no logic, ethics, or common sense involved. If a black person says something is racist, then it must be racist! It's so fucking stupid.
Also, I think that blacks dread equality and individualism because it takes away their greatest advantage: the race card. It's kind of hard to get your way if you're judged as an individual instead of an oppressed minority. So natuarlly that scares the shit out of them. Classical liberalism is the bane of blacks and other non-whites everywhere! That's how I see it these days.