That's what we should be trying here, but with the understanding that an individual is responsible for any damage to life or property they cause while under the influence, just as we do with drunk drivers.
The DEA sure isn't the answer, but neither is just letting it happen without intervention.
Decriminalizing narcotics while forcing taxpayers and/or insurance companies to cover the cost of drug treatment is one of the dumbest ideas ever to show up here on this website.