Political Correctness is psychological terrorism, and it has paid off big dividends for the extreme left. Essentially, they can shut down any conversation at any time by just calling a person “racist” (that’s by far their most effective weapon), they can get people fired from their jobs, get their homes vandalized, and even get people physically assaulted and even killed.
Unfortunately, it isn’t just the left that practices it. The GOP is exhibiting the same traits in their endeavor to control the outcome to their favor. Witness the “blacklisting”.