That's very possible! I mean as a user I also do like stability (had to instance hop quite a few times when I joined fediverse due to them shutting down) but also see resiliency and strenght in being able to spin up an instance of a platform we are all familiar with. When people leave reddit they don't have similar alternatives with many users, but on lemmy/piefed we can always migrate and stay on the same platform with different rules and administrators.

Of course that's simplifying the whole topic, but I'm not that worried about fediverse. But you are right of course that for new users who are on the edge already this might be a big dealbreaker. That's why I always suggest bigger instances first. Once you are comfortable with fedi/threadiverse you can migrate to a smaller instance (I did exactly that once I figured out how this all works). I know lemm.ee shutting down probably made a noticable chunk of people give up on fediverse because we didn't see any instance completely fill the void that lemm.ee's weekly activity left.