[fundamentalist capitalism] is an example of a known working economic system
Excuse me while I try to stop laughing...
Seriously, have you ever taken an economics class in your entire life? I mean, not to sound condescending, but GOOD GOLLY MISS MOLLY... there is very little debate among economists that you need government intervention to have a sustainable economy. What is debated is the amount that is healthy, but the fact that it's necessary is almost never debated.
The end of labor is to gain leisure.