Just an observation but some people in this thread seem to be confusing money with an economic system. Money is merely a tool that facilitates barter of goods and services. It's the HUMAN BEING that is using the money that defines the outcome. In a way this thread is like saying, a world without guns would be far better when history clearly shows that not to be true. Greed is part of our makup and helped create civilisation. Here is a short documentary on this very subject:
http://www.youtube.com/watch?v=F0VHiONkot8
http://www.youtube.com/watch?v=F0VHiONkot8
