Political correctness is part of (the transition to) the New World Order.
The New World Order is a longstanding conspiracy to a dictatorial world, described in "1984" and invention of Marxism is one of the first steps. Cultural Marxism is another name for liberalism in America for today.

I originally replied to the issues raised by quoting Candace Owens that "White supremacy" is really nothing. Her post was removed from Facebook and she was suspended when she mentioned "liberal supremacy"

cf.
https://en.wikipedia.org/wiki/Candace_Owens