It's ALWAYS about money (taxes). ALWAYS.
They're going to do what they will. But I've never seen a doper that was a contributor to the world. Quite the opposite.
Lots of alcoholics, marijuana users, and nicotine addicts work full time and pay their way. Nicotine addiction has actually kept Social Security afloat much longer than it otherwise would have made it. Smoke was killing a bunch of them in their 60s, about the time they became eligible to draw.