You made that claim up. There was a study of Some 22 million people around the world being dependent on marijuana. You are severely overestimating US addicted people.
What about this: that policy was huge success, because unlike gambling, weed is fairly harmless.
And the disaster part is where exactly? Their or their close ones lives being negatively impacted are where exactly? The original claim was "addicted" and "disaster".
The world has 22 million of people who are addicted and their lives are negatively impacted. The logical implication here is that these people are not negatively impacted.
What about this: that policy was huge success, because unlike gambling, weed is fairly harmless.