I'm not even sure it's greed that ties is into this way of running things. I think it's fear. Fear to throw the crutch that it seemed we couldn't get along without for a particular period of human history.

There was a time before money, and there will be a time after it, and I think we're getting into a time when only increasingly bizarre ways of manipulating our affairs manages to keep the money system from toppling over.

It's a bit like the increasingly complicated set of adjustments they had to build into the model of cosmology they had before Copernicus. Then the penny dropped - stand it on it's head, and the system just didn't need them to work, and it was all so much simpler.

As for what was erroneously called "Communism" - though a more accurate term for it was State Capitalism - that is something totally different. And, as is being demonstrated in China at present, not all that far distant from the other form of big capitalism.