I think you're not being accurate when you claim that a "war on drugs" has not been prosecuted in the West. The cost to minority populations in the US and in countries where the drugs are produced has been enormous. Maybe you don't personally know anyone who has faced societally-imposed hardships due to drugs but the reality faced by many poor and minority people is quite stark and different than what you allege.

A young man here in Texas was facing LIFE in prison for selling marijuana infused brownies (as well as possession of cannabis oils). That's just one case.

And this:

>>What does work is very harsh and uniform punishment for users.

Paints you as a complete fool like the rest of the drug warriors.