[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.
We will have solar energy as soon as the utility companies solve one technical problem -- how to run a sunbeam through a meter.