It’s all based upon Critical Race Theory, which is based upon CT, according to Robin DiAngelo, a heavy-hitter within CRT.
CT also led to Critical Gender Theory, where we get this trans nonsense.
And CT traces back to the Frankfurt School, which traces back to Germany.
What is CT?
As has been observed: the very first thing anti-racists do when starting their careers is to insist people start judging only by the color of skin, otherwise they, the anti-racist, wouldn’t have job security.