Lemmy is a bit of a darkweb corner. It’s growing fast from Reddit users, but redditors are not particularly known for being the best form of the online argument either.
Like anywhere else, I’d say pick your communities carefully. And accept that a platform that is in shift and growth has a lot of potential for weird encounters. Try not to take the bad experiences too personally.
This is what happened. We have vaccines now, and masks are readily available. We also learned that many jobs can be done remotely. They tried as hard as they could to educate the constituents. People already picked their sides and are as informed as they are going to get.
So if you want to keep yourself safe, great. If you want to be crippled by or die of a preventable disease, have at it. Freedom for all.