They should worry more about the fact that so many leaders of important cultural institutions are either incapable of critical thinking or unprincipled or cowards (because otherwise cancel culture could never work)
Earlier forms (Communism, Nazism) could harness strong pre-existing polities (the old European nations) and exploit their
Not so for the totalitarians of the affluent-technocratic society. In the ideal-anthropological vacuum of late capitalism, they lust for power on disintegrating institutions, but ultimately the disintegration is going to win.