Anecdotal - And Alcohol is the most dangerous drug on the planet, due to its legality and accessibility. How would anyone know if a violent person was on pot ?  Your personal experiences are just that - Yours. These arguments may justify your behavior on your mind, but are completely irrelevant to the issue. Just reading your post - perhaps a 12 step program would help ? And as a side note - Employers will flee this state if they are not allowed to drug test.