Lots of people. The fact that he is a black liberal who can speak pretty much sets him up as the unassailable candidate.
Anything you say against the man is something you SHOULD feel guilty about.
Or that's the atmosphere that's going to be pushed.
It would mean either the supreme triumph of the intimidation of the politically correct doctrine, or the eventual defeat. As for the atmosphere being pushed, it exists already and people are sick of it. If being PC is the only reason he is unassailable, then there might be a massive backlash via voting.