You seem to have missed the 1001 negative side effects of Prohibition, that eclipsed the tiny ideological victory of reducing drinking.

https://www.pbs.org/kenburns/prohibition/unintended-consequences

Additionally, there is no consensus on whether Prohibition was even successful at that, owing to a lack of hard data.

https://en.wikipedia.org/wiki/Prohibition_in_the_United_States

This is quite aside from the fact that today we've figured out that criminalising drugs and users is the wrong approach and does a lot more harm than good. But we STILL have people like you.