Still, in terms of public health, as we're seeing with still too steady progress in Scotland, the key to resolving the problem of getting people away from harder substances like those is treating possession as a sign of needing help (whether medical or services and protections for children involved in the drug trade, wherever they are from), not a prison sentence. That's what decriminalisation is, and it doesn't affect the ability to prosecute the sale of harder drugs. There are fundamentally harmful drugs which no one should profit off of, for sure.