And instead of attracting people who wish to keep accurate records, not put their thumbs on the scale, not pollute, water down, or otherwise adulterate their merchandise, drug prohibition does the opposite.
Due to its nature of being entirely underground it encourages participants to act less than honorable. It must be brought in to the light!
This is a great handout to give to the police you see. This handout can also be effective in areas plagued by gang violence. But most everyone will be able to understand the logic of this one.