The good thing about Free Software is you are never at the mercy of a single provider. If you and your friends like Lemmy, you can always use lemmy. The amount of content might not be what it once was, but you are welcome to use and change, or pay someone else to let you use/change, the service forever. (Like pump.io used to be the whole #Fediverse and now identi.ca is little more than a internet graveyard save me 4 bots, and six people that cross post to Mastodon, but even it may come back now that /u/@evan indicated he's adding ActivityPub to it now that its all the rage.