The lack of pricing in negative externalities. That is the root of all capitalist evil. I have come to a similar conclusion; the funny part is I have observed

The lack of pricing in negative externalities. That is the root of all capitalist evil. I have come to a similar conclusion; the funny part is I have observed the most ardent supporters of capitalism and the free market generally seem to plug their ears and go "lalalala" the moment I utter the word "externality"