So we have a continual cycle of crime-punishment that doesn't mitigate enough, simply because the underlying problems remain, until our country stops with the "you're on your own" mentality and starts supporting social programs better.
So what? (Two) adults choose to have some interaction that all parties are happy with? Who are us outsiders to claim that their freedoms should be reduced?
The best reason is "splash and fallout" damage? I dont know if you've seen how weed has been used to put people in cages. People in cages! And you come with "splash and fallout" damage as a justification... You lost me.