Well, first, Keynes created an interesting theory, where time couldn't change anything, and real wealth don't actually appear. It's no wonder people want to ignore it, yet it successfully teaches how to solve one kind of problem.
Our current problem is that, since we learned that one piece of tech, we started applying it to every economical problem we saw. Thus since the 40's no economical crisis could by solved by keynesianism; if it could, there wouldn't be a crisis there.
Our current problem is that, since we learned that one piece of tech, we started applying it to every economical problem we saw. Thus since the 40's no economical crisis could by solved by keynesianism; if it could, there wouldn't be a crisis there.