I'm a realist, not a racist.
"I'm a realist, not a racist.
------
I think the author was implying just that: The new meaning for racism is based in revisionist (false) history, and is therefore unconcerned with truth when it renders its meaning. In fact, since truth is so often in opposition to the "new racism," a realist, at best, is a distraction, and at worst, a super-racist.
Like you, my friend, I would be considered the Lex Luthor of racists. Booh! hehehe... (evil tone).