The banning of marijuana, meth, heroin and cocaine has not exactly been a resounding success. It has opened the door to massive violent crime opportunity, cost the taxpayers billions, and led the greatest incarceration rate of any country in the world. There is no way in which it makes sense; the situation only persists because of the strong puritanical streak that makes it politically popular to pretend doubling down on the war on drugs will somehow make the country better.