Absurd and patently untrue — organized crime in prior the `20s was a piddly little thing, but when Prohibition came along it made alcohol very, very profitable and that is where the mafia got its money and power.
See:
Mafia in the United States
How Prohibition backfired and gave America an era of gangsters and speakeasies
This is another example of you people thrashing about in the weeds instead of looking at the larger picture. A huge chunk of England's wealth is a consequence of it's opium distribution business.
Your efforts to link drugs to alcohol are silly.