Every time something is "prohibited" it literally creates a "criminal" monopoly. No competition allowed. Just a "criminal" monopoly.
We never had any cartel problems before our brothers keepers decided we did not have the right to decide for ourselves of what we partook.
Let the druggist sell drugs, let the Dr.s advise, let the individual decide!
As it is it's little more than a game of bribery and mother may I, or dealing with deep state criminals.
Of course, people who live in their own libertarian fantasy land don't read history. Or at least they come up with BS about what's different now but never bother to confront the fact that for all the changes in recent history human nature hasn't changed.