Well, guess what, that's exactly what helped in the US, ending the prohibition. Violent crimes, corruption etc. happen because people (drug users and drug selle

Well, guess what, that's exactly what helped in the US, ending the prohibition. Violent crimes, corruption etc. happen because people (drug users and drug sellers) can't conduct business legally. When they can, they use the police to resolve problems and generally abide by regulations, because it's simply cheaper to do business that way.