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This is the essential of the problem. In the old days of the political left the movement was aimed at procuging some sort of touted economic improvement.
In the last 40 years revolution has become a diffuse emotional expression of and underlying diffuse emotional condition with no specific goals, no way of negotiating to achieve those goals, and no real concrete goals to satisfy. Therfore the revolution is endless.
The present leftist political condition is much like angry little kids playing cops and robbers using real weapons instead of toy guns. They are caught up in the emotional experience of the game. University faculties are composed of bored people in comfortable positions with comfortable lack of concrete responsibility, with comfortable salaries, seeking excitement, importance, and directin by making revolution. But it's not a real knock down drag out revolution they want. It's only a revolution where opther people are not allowed to shoot back.