The original term for it was “Cultural Marxism”.
But, that’s too “truthy” for the left to implement it effectively.
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I first heard the term ‘politically correct’ spoken prominently by George H.W. Bush back about 1989.
The original term for it was Cultural Marxism
And it referred to the realignment of the Bourgeoisie mind to become more like that of Chairman Mao and would present itself in nonsense like requiring all commune members to use the same toothbrush and banning restroom doors as unnecessary because everyone regardless of sex was entirely “equal”
But you're correct that Political Correctness is nothing more than cultural Marxism, which is just a description of political correctness as a tool to stifle the opinions of the progressive Left. It utilizes the same Marxist technique to quell any opposition by shaming and shutting down dissent to the Leftist ideology in society.
Good one! bump to the top...