It's true that most American citizens think of themselves as living in a democratic country. But when was the last time that any Americans actually sat down and came to a collective decision? Maybe if they are ordering pizzas, but basically never.
Money has always been a particular problem for revolutionaries and anti-capitalists. What will money look like 'after the revolution'? How will it function? Will it exist at all? It's hard to answer the question if you don't know what money actually is. Proposing to eliminate it entirely seems utopian and naive.