Which is almost always the result of a CHOICE made by the addict. Nobody held them down and forced a needle into their arms! Why should my share of the billions go to "treat" or "fight" the results of their bad choices?
Summary execution of drug dealers, from kingpin to street level, would go a long way towards solving this “problem”. Trial within three months, automatic appeal if needed within six months, execution within a year. No plea bargains.