Capitalism causes prosperity, e.g. USA, England, Europe. Communism causes mass starvation (USSR in the 1920-'s and 1930's ) and mass murder. Example Venezuela.
Steven Dutch: Correlation, in and of itself, doesn't prove causation. But correlation, coupled with a reasonable causal explanation, does constitute strong evidence of causation.
Working class people work, and they worked hard to get what they have. So they don't want it threatened. They don't want criminals in their neighborhoods and they don't want the value of their homes threatened. And they're smart enough to realize that if you can take down the wealthy and the powerful, you can squash working class people like a bug. So many of them don't buy into the "soak the rich" philosophy because they know perfectly well who will be next to get soaked.
Leftists: buy a clue. We are not going to seize the wealth of the top 10% of the population and pass it out among everybody else. First, it wouldn't go all that far. Second, once it was spent, there would be no more. See Chile, 1974 for additional information, or take notes during Zimbabwe 2007-. We are not going to cure poverty by printing a million dollars for everybody. See Germany, 1923 for details.