You're only using one definition of racism to support your argument - there are more than one definitions. Discriminating against someone because of their race (for example: saying someone can't play in a league because of their skin color) is racism. Racism doesn't always have to be about one race showing superiority over another. It doesn't matter what caused LJ's response or what his intentions were, there is never a "right" or "excusable" time to make racist comments. You don't conquer racism with racist remarks. Both were wrong.
And by the way....an all white basketball league is not only racist, it's one of the dumbest things I have ever heard of. That guy out to be smacked on the face for even coming up with the idea.
I hear you loud and clear brother and I agree.