While commerce and trade are important, the basis of our existence is physical. We are physical beings with physical needs. Physical resources (energy, land, lu

While commerce and trade are important, the basis of our existence is physical. We are physical beings with physical needs. Physical resources (energy, land, lumber, food, water, etc.) all have owners in the real economy. Joe and Bob are unemployed, thus have no resources, thus have nothing to trade. The best they can do in your scenario is called dumpster diving, assuming recycling tech is not making garbage valuable to the real economy as well. Mass dumpster diving, that's your dystopia right there.