They support communism because they see the current leading power, unbridled capitalism, also has its downsides. It's a classic case of figuring out consumer desires from what they say.
Most of them just want some kind of regulation which keeps greed in check and allows them to be confident in a future of relationships, family, home ownership and security. Surely the success of games like Animal Crossing, Harvest Moon, Sims and and such would showcase how important this is to individuals.