The lesson is that extremes and monocultures are generally failures. Moderate and diverse economies are probably better fit to long term success; in the short run ideology can generate massive benefits - like war communism did. I would argue that many of the economies of the developed world have swung far to far toward plutocracy and injustice.

Mostly, they laundered their money in the United States!

Surely there is middle ground before we get to 100% taxation?

"I don't get it, people like drinking water but they don't like drowning"

I'd say that if the solution to the problem, given unlimited solutions, made the problem worse, then it will also fail in smaller applications.

"The only reason I am in debt, is because i can't ask for a big enough loan"