The whole reason left-wing ideology is so popular in Hollywood is precisely because it absolves personal behavior. Contributing to the cause automatically makes one a "good person" regardless of how many underage girls you molest. This is one of the principle flaws of Cultural Marxism, it erases personal morality.
Judeo-Christian Morality: Morality is individual. All individuals, great and small, are judged by the same moral code based upon their individual actions.
Cultural Marxism: Morality is group-based. The oppressor classes are inherently bad, the oppressed classes are inherently good. Morality is judged based on acts showing solidarity with the oppressed in their fight against the oppressors. That's why they all wear Che shirts. It doesn't matter that he personally tortured and executed political opponents, in fact, that is a good thing because he was fighting for The Revolution.