I don’t get it ?
After all, Stalinist provocateur and reputed intellectual Susan Sontag had said it back in 1966 in a national news magazine (and these things fester if they are not addressed),
"The Caucasian race is the cancer of the planet. "Many black separatists and black racists have said similar things, and that is why she said it, as a recruiting billboard for the CPUSA, aimed at blacks. Like Van Jones, F'r example.
Lots of hatred there, not all of it based in real beeves w/ whites. But liberalism and Leftist generally have specifically sanctioned and justified "Black Rage". They've made several movies justify it -- eg. "A Time to Kill", "Durango Unchained", "Do the Right Thing".