Communist MO: Infiltrate, subvert, then blame the entity they infiltrated and subverted.
The Frankfurt School is still churning out graduates.
Political correctness. It’s like the devil himself: the surface appears good, but just below that is pure evil. Those with no spiritual sight are easily fooled by it. Like all things, you can tell by its fruit. It’s morality that comes from the world, not God. Therefore it comes from the devil.