Really, so if your neighbor smokes pot in his home that's a safety issue for you? It's possible that as a result of policy changes we're arresting and keeping incarcerated more people who would have committed crimes, but at the same time we're likely keeping many people in prison who would likely not commit crimes. The aggregate loss of human freedom and productivity is pretty staggering for you to just wash your hands of the problem.
Only .7% of those in prison are there for marijuana possession as their only crime - https://www.ncjrs.gov/ondcppubs/publications/pdf/whos_in_pri... And among those possession could mean as much as 100 pounds. The idea that our prisons are full of people who were just smoking pot in their own homes is ludicrous. Whatever our views on whether it is sane to make marijuana illegal, locking up pot smokers is not the cause of mass incarceration.
