As a non-white person living in America, this is scary to see. It's a policy targeting a specific race of people's content... How is that not racist?
It will only foment more resentment and retaliatory sentiment while serving to make "certain kinds of racism" socially acceptable as long as it's the "right race" to discriminate against.
Ban ethno-nationalists if you feel so inclined, not {{insertRaceHere}} nationalism. Otherwise this is a slippery slope to head down