everyone of these has a big fat hole in it, the world is not perfect, and thus any system in it will not be perfect. I go with capitalism because I love money
though I do not think it is fair that some people can inherit millions and billions of dollars without having to lift a finger, while others work 20 hours a day in a shoe factory, and in the end of the month, they don't get enough money to buy the shoe that they have been making