please dont waste time with the sky is falling/worst cases of scumbags. these types will do anything to anybody, drugs or no drugs.
What I have been, and seen and still see regularly volunteering at the local jail are people that buy or produce a little bit to support their own use, sell a little to save $$$.
Tinkering with the economics breeds an industry with a much higher threshold of risk/reward.
Dui runs along the same lines, a bunch of suits decided to 'make a law' and generate $$$, hasnt slowed the problem one bit...
Breaking the law is breaking the law. No matter how trivial you try to make it.
I guess it's okay with you if someone just takes a little of someone's money when they rob them?