Liberating tolerance, then, would mean intolerance against movements from the Right and toleration of movements from the Left. As to the scope of this tolerance and intolerance: It would extend to the stage of action as well as of discussion and propaganda, of deed as well as of word. […] Different opinions and ‘philosophies’ can no longer compete peacefully for adherence and persuasion on rational grounds: the ‘marketplace of ideas’ is organized and delimited by those who determine the national and the individual interest.

Herbert Marcuse (Jewish philsopher) “Repressive Tolerance”, 1969 (Marcuse was one of the first members of the Frankfurt School. “Repressive Tolerance” is the theoretical foundation of today’s cancel culture)