Some brief concise videos so we understand the definitions of what is being debated.
Marxism is conflict between proletariat vs bourgeoisie, with solution being communism.
Right's definition of cultural Marxism, which is conflict between minorities/oppressed vs the white/privileged, with solution being cultural marxism (right's term) aka intersectionalism (left's term).
The Frankfurt School, who were Jews that fled Holocaust an originated the roots of what would be cultural marxism, which involved interdisciplinary studies in academics.....which is where intersectional originates
Left explanation of what the right means by cultural marxism, which originated with Brevik who went on shooting spree in Norway and put the term in a letter.
So multiculturalism, according to the left assessment of the right, is the subversion towards breaking up the Western world and reconfiguring under a world government owned by corporations.
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You decide what this means.