While that's true, I think it's best to keep everything as simple as possible for new users.
You joined Lemmy, you have a newtolemmy community where (hopefully) all your questions are answered. Same with Piefed.
Rekall_Incorporated
joined 5 days ago
IMO !newtolemmy@lemmy.ca and !newtopiefed@piefed.ca are more helpful than a generic fediverse focused community. By the time you know what the fediverse is (I used Mastodon before joining Lemmy and now Piefed), you don't need to deal with the noob questions.
BcacheFS seems to have been released around ~2019 and it's still alpha?
One thing you don't want to fuck around with is your file system. It's one area of computing where conservatism is paramount.