And again, are you prepared to make that same argument for all the other imported hard drugs on the market? Make them legal here so that their cartels will dry up?
Let the addicts die instead of bringing them back via narcan. The fewer addicts, the less demand. Less demand = less supply.
Cocaine, crack, meth, heroin, et al are un-American because their production puts everyone in the vicinity in danger. A meth lab explodes, it has potential to kill not only the cookers, but anyone in the immediate vicinity.
On the other hand, if I grow pot in my backyard, dry it in my kitchen and smoke it in my living room, it is simultaneously none of your business and not a danger to anyone else. Get your busy body nose outta my business and mind your own.