They get a hell of a lot weirder when they are detoxing
You've got a point there. Been awhile since I've seen someone picking at invisible spiders in the air.
They can get aggressive too. Alcohol is a good drug to have around in emergencies. I hope they are stockpiling what they confiscate.
There is a medical team in the dome and you can be sure they have all kinds of medicines for alcohol detox, seizures, etc.