What are the sizes of those black markets? They're tiny, and limit the violence they do (since customers are willing to pay a slight premium for peace). Hell,

What are the sizes of those black markets? They're tiny, and limit the violence they do (since customers are willing to pay a slight premium for peace). Hell, if it was legalized, we could limit the price by law... cost + 2% (or whatever margin the pharmaceutical companies would need to not refuse). They would out-compete the cartels in weeks. Pretending that the black markets would remain to any great degree is just disingenuous.