For years, we just accepted the premise that the reporters from that J-school mentality of neutrality and objectivity were just laying out the facts. We just assumed that Walter Cronkite was unbiased. In hindsight, it is clear that Walter Cronkite was biased, and that he used feigned objectivity as the cudgel to change the American narrative from being a right of center one to being a left of center one.
Those people that created the cultural Marxist thoughts, one guy by the name of Antonio Gramsci, very important within the Frankfurt School, argued against the concept of Marxist Leninism, in which it was basically the revolutionary spirit where someone would say we need to rile up the lower classes and have a revolution and take over the factories.