In summation, tough policy cleans up the majority of the drug addicts, but the diehards resort to a worse substitute that is , for lack of a better word, grote

In summation, tough policy cleans up the majority of the drug addicts, but the diehards resort to a worse substitute that is , for lack of a better word, grotesque. I wonder if they reintroduced subutex if the old drug addicts would come back, or if just the die hards would return and be free of krokodil?