In my opinion the prohibition of alcohol is a great example of how banning something people want to consume leads to an escalation of the problems its meant to solve!
The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true - Carl Sagan