At one point I had three accounts but am now down to two. I had one at Kbin.social which was my primary and then I had one specifically for browsing lemmynsfw. When kbin.social started having issues I created my midwest.social account. Kbin.social died so I am now back to two. There is nothing wrong with having a few as a backup if your instance goes down or to see a slightly different feed. I think a lot of people have multiple