Im joining in on the reddit ditching thing, and was kinda worried at first that i wouldnt be able to like use it the way i did reddit as it feels like a whole new place, but after engaging with posts and people and actually being a part of lemmy rather than being lurk mode all the time i was pleasantly surprised with how easy it is to become a member of the community, theres a reasonable amount of subs (or whatever the other word for em is) that fit my interests, enough linux content and shitposting for my liking, and the overall random posts made by people equally fed up with Leddit. (also i admit i used reddit a little cus there was this post on the fedora sub showing how to fix a sound issue i been having after a recent update)
It shows some remote communities, but far from all of them. I think it’s either based on other people in your server having subscribed to one, or opt-in at the admin level.
I’ve had to manually find my way to several communities I was interested in.
This seems likely, because I also read that you can’t go directly via link through your own instance, unless your instance already “knows” about the community.