There is actually an advantage to being part of a larger instance if you want to browse everything, actually. An instance is federated with another when a user from Instance A subscribes to a community from Instance B. The more users in an instance, the more people to subscribe to other instances, federating that instance with more instances for all users.
I don’t plan to use reddit anymore if I can help it, other than to find specific answers to things. I’ll no longer just browse. That said, up until now I exclusively used RiF. I refuse to touch the official app, and use old.reddit and ad blockers.