Keynesianism for beginners: Why is Elon Musk calling John Maynard Keynes a 'demon'?

Keynesianism was designed to make capitalism more stable. For much of the 20th century, it did exactly that.

Keynesianism for beginners: Why is Elon Musk calling John Maynard Keynes a 'demon'?
Keynesianism was designed to make capitalism more stable. For much of the 20th century, it did exactly that.