This thread is a discussion of marijuana, not cocaine and opium.
Do you have any examples where banning marijuana saved a society from itself?
In the same manner that Islam is a religion of Peace and it is a coincidence that there are so many violent events which happen to be caused by followers of Islam.
Marijuana is the point of the spear. The rest of the spear will follow if the point is allowed to penetrate. By what rational argument could you deny it?
Do you have any examples where banning marijuana saved a society from itself?
Do you have any examples where an inch was given that did not result in the loss of a mile?