If a company earns millions in profit because it develops a revolutionary medical device that saves thousands of lives, has it not paid its fair share? If a company produces a chemical that kills 99.5% of bacteria in farms, has it paid its fair share? If Ford creates a car so safe that it prevents 80% of otherwise fatal auto accidents, has Ford not done enough? If a grocery chain brings us a bounty of diverse, healthy foods we can purchase without the cost and effort of growing them ourselves, do we think we're also entitled to the profits it brings that chain?
Down With Capitalism
Chris Carrado has a great article that examines some of the motivations behind the Occupy Wall Street movement: the left hates inequity in results more than it loves liberty, they hate profit more than they love freedom in markets.