Is it really a bad thing to be able to enjoy Mastodon and Lemmy among just the early adopters, trend setters, and minority of people who make deliberate choices

Is it really a bad thing to be able to enjoy Mastodon and Lemmy among just the early adopters, trend setters, and minority of people who make deliberate choices of what platform to use rather than the followers? We already know what happens to networks when they get bigger. Should we really be encouraging the eternal September to happen so early?