Economy

Their argument seems to come down to: bubbles aren't always so bad because at least some of what comes out of the chaotic mania can have value for society, perhaps even greater value than the amount of money lost by investors when the bubble pops.

Is there no possible way to innovate and create value other than for greedy people who want to get rich quick to throw a lot of money into a speculative frenzy blender and hope that something useful comes out of it?