Make them legal. Tax them. Idiocy solved. Government grows.
It is in reality. Enforcement is negligible.
Tax them.
It is done in the form of bribe.
The root of N. Korean drug problem is the collapse of medical services. Hospitals don’t have even most basic drug or medication for treatment. People first used heroin as all-purpose drug, a kind of powerful analgesic which can take care of symptoms, but not the real medical problem. Then Meth came along. From then on, people get them for recreational use, casually used like cigarettes and alcohol.