Ah Personal attack! I must have hit the nail on the head. Didn't Poe and Hemingway die young. Hemmingway killed himself I believe. I tell ya I have worked Alcholics and drug users in a factory setting. My former inlaws were abusers and frankly I stand my ground. Myopic uh hehe, I think you're being obtuse. 
Let's go a little further here. Do you want to hire a drug addict or alcholic. Probably not. They could watch your store for you. Deal with your customers. Work on your costly complex equipment.
Hemingway committed suicide, and his suicide had nothing to do with his drinking. It was chronic pain from injuries suffered in a plane crash. He lived with it for years before doing himself in. I've met plenty of brilliant people in my life who were problem drinkers, and while their drinking may have affected their health, there is a very strong argument that their artistic ability would have suffered from imposed sobriety. I've also met plenty of sober abusive cavemen. Unfortunately I don't know enough factory workers, but if a little weed or alcohol can quell the hardship of working a hard job all day, I am all for it.
Imposing your beliefs on people because you think that something is bad is itself oppressive. I'd rather give people the freedom to decide rather than make rules that turn them into subjects of the state. Freedom is freedom, it has its benefit, and has its price, and government should strive to make fewer regulations, rather than more of them, just as they should strive to make fewer criminals, rather than more of them.
As it stands, anybody who wants to get drunk or high can do so. Drunks and addicts are not this nations biggest problem. Stupid legislation, on the other hand, may well be.
If you're willing to simply illegalize freedoms that don't suit your personal tastes, you're advocating oppression. Either way, neither you nor the government will make these decisions for the populace. People will continue to behave in this manner. They will simply become criminal. Some will get caught, most will not. We'll all pay the price in the form of taxes.
You either work with human nature or you work against it. We've tried for decades to work against it because working with it opens too many pandora's boxes. It also leads to less government control. Insanity can be defined as repeating the same act over and over again, expecting the results to change. Given this truth, proposing the imposition of further control over drugs is at best myopic and idiotic.
