It's to make his views more palatable to whites who can be swayed.
He is targeting the people that Fake Deep Coli Militants call "liberals" and "progressives", who are really not liberal or progressive at all, but just don't want to be called racist or bigoted because it's a scarlet letter. You can call certain white people a cow fukker and they won't blink an eye but call them racist and it's the end of the world because that's a hard piece of filth to scrub off of your name...if you actually care about how people perceive you.
Some people are either so rich or powerful that they don't care because the money will keep coming anyways, at least to a certain point... Trump and Donald Sterling are good examples of this.
