The vast majority of heroin addicts today started with prescription painkillers. Many of them went into a doctor's office and took the pill that was prescribed to them by a trusted community member with a diploma on the wall. The problem was that these doctors were frequently either directly corrupt or under the unwitting influence of false advertising from Purdue Pharmaceuticals.
When I had my wisdom teeth pulled and was prescribed an entire bottle of Vicodin, when I didn't even need a single one, that wasn't a greater issue in my life. That was medical malfeasance and a just society would execute the principal architects of it.