Socializing is healthful to humans. Consuming alcohol is hurting.

Now if we'd go so far as to assume that people consume the same amount of alcohol at home, then staying home is a net negative for health. I don't actually know how alcohol consumption developed during lockdown, so I don't know whether there is any merit to that line of argument. But I see how it can be made.

Bars play a crucial role in Americans' public health.