Systems of Government and Economics
There are some good systems of government and economics, but human failings can ruin any system, as there is no perfection of any state in reality. Humans have misused cases of Communism as much as they have misused cases of Capitalism. You can argue that one system is better than another, but perpetuation of one system does not mean that it is successful; for example a king may rule for many years but that does not mean that they were good to their people. Jesus showed that Communism could be a wonderful thing, if limited by size and time; just as many business people may think Capitalism is good, while it most certainly hurts many people who cannot compete. Democracies can fall victim to mob rule of the ignorant masses, just as Republics can be controlled by Capitalist corporations as an Oligarchy and Plutocracy. Greedy and lazy and psychotic people will abuse any of these systems.