Marcuse is perhaps the most influential of the Frankfurt School thinkers in the United States. Anytime you hear a leftist explain why tolerance actually means intolerance, they’re channeling Marcuse.
Cultural Marxism’s Origins: How the Disciples of an Obscure Italian Linguist Subverted America.
[Jacobs is referring to a concept advocated in Herbert Marcuse’s A Critique of Pure Tolerance in 1969 which can be summarized as:
Tolerance should only be applied to left-wing groups and ideas, while right-wing groups and ideas should be mercilessly suppressed.
That idea has certainly taken root.—Joe]