In a world where there are no rules (moral or written): chaos reigns.
People decide to try drugs and become quickly addicted. HIV/AIDS rates decrease because people are able to grow and make their own drugs that aren't infected.
Murder rates increase as a ploy of revenge.
Companies go broke because theft rates are so high. As a result, no one has any money; no one has the money to make products, so we survive off of only what we can make ourselves.