[alrea]

Their only crime? Using an intoxicating substance other than alcohol or tobacco.

which contributes to industry of murder and slavery thereby making the user and purchaser part of the killing

[adam_az]

" which contributes to industry of murder and slavery thereby making the user and purchaser part of the killing"

Correction - it is prohibition that causes those things.

When prohibition ends, so will it... just like it did re: the alcohol trade after alcohol prohibition ended.