Is an alcohol ban in the US really that bad of an idea?

I know it was banned during the 18th amendment during the 1920s til the 1930s, but that was a long time ago. Other countries have gotten it banned like Saudi Arabia, Qatar, Iran, Iraq, etc. And they seem to be doing fine. Iraq recently banned it too in 2016.

Is an alcohol ban in the US really that bad of an idea?
Is an alcohol ban in the US really that bad of an idea?
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