I unfortunately come from a culture where alcohol consumption is accepted, so it's been harder than I would like to break with tradition in the face of science, but doing so it a good thing, and if your cultural background helps you a hand because it does not accept alcohol as readily as mine, more power to you.
Drugs FOMO is some of the stupidest FOMO around. I've nothing against using soft drugs, but making any drug part of your life style is almost certainly a bad idea, and if never even trying suits your personality type (some are just more easily addicted than others), then you are wise for steering clear, not an ignorant traditionalist (or at least, not necessarily so).
That does not mean gathering in third places is problematic, I do wish we could come up with ways of doing it without the expectation of the consumption of alcohol.