Just as the person who drinks two beers before driving home breaks the law. Here in California a first DUI offense will land you a mandatory minimum incarceration, often served on weekends like this 19 year old pot delivery boy.
I think we are rearranging the deck chairs on the Titanic to lock up substance users and abusers while guys like the rapist are in and out because of lack of space in the jails.
But, Matthew Shepard didn't plan on dying tied to a fence, either. Sometimes the penalty for doing something stoopid is more severe than it seems like it should be. I've been blessed. I've done some very stupid things, and have never had to pay the full price of my deeds.