To be honest though, some of the communities I frequent to in reddit do not have their counterparts here. If they do, they aren't active. Best example is AskHistorians. They have a Lemmy here but it's basically dead. Which is why I still go to reddit. Fingers crossed that majority of subreddit communities will relocate to here so the community will thrive.
It's hard to be optimistic, or at least determined, about the future when the prospect is bleak. Climate change is getting worse and here we are just pretending it is business as always.