Even the exclusively white male cabal which formulated "cultural Marxism" knew that what they were saying was bull shit; the objective wasn't to speak the truth-- rather, the goal was to simply cast doubt on conventional societal mores, weakening them to the point where the "oppressed" could rise up. This article does a great job of explaining that point in detail.

Contemporary "cultural Marxists" are like cargo cultists; they've latched onto the superficial idiocies, not realizing that those were all merely carefully crafted lies right from the get-go, and additionally they've done so without comprehending the underlying ambition of the movement! It's like a seven layer salad of dimwittedness.