thats like saying what stops me from killing someone who pisses me off.......Um i would think the taking away of my freedom
well in that case you missed the point entirely.
what should stop you is the moral civilized high ground, not punishment.
your arguement is flawed, if I was to go out get crack and smoke it, I wouldnt be caught chances are less then weed, but why dont I? moral civilized high ground, you have to make choices whats morally acceptable.
Speaking as someone whos put someone on a breathing machine before when I was younger and more reckless with less moral fiber, I didnt get caught for that, so punishment does not deter as police are largely incompetant, if a criminal is even semi intelligent its hard to be caught, it has to come from moral fiber instilled in people.
I am not saying one way or the other though, my biggest problem with the DEA is money being spent on hunting and destroying weed which draws funds from meth, heroin, the hard stuff which does destroy lives.
Weed is like a product for the DEA, say they are running a restraunt, Weed is the cheap hamburger easy to produce, put infront of you and satisfy the consumer, people who want to see any action on the war on drugs.
Join the DEA and you will be arresting nothing but pot smokers and growers 90% of the time.