Not a solution. Defeats the point of decentralisation, putting most (like 90%+) users in one instance. Big instance is sold to Venture Capital Firm because a bunch of amateur moderators call moderate the whole of twitter… and just like that enshitification shall commence.
As I said, Lemmy is federalized. Jumping from Twitter to BlueSky/Mastodon or Reddit to Lemmy is difficult due to the network effect. The people you want to follow aren’t posting on BlueSky/Mastodon/Lemmy because there isn’t an audience there. It’s a self-fulfilling prophecy.
However, Lemmy is federalised, that means you can change instances without loosing access to the people/content you follow. Sure, the fediverse isn’t immune to corporate takeover, but it is more resilient.
Migrating from Reddit means you loose access to all Reddit content. Migrating from .world to, I don’t know…, .ml means nothing sense you can still access .world’s content.
I wouldn’t say plurality. If the biggest instance only had 10% of total content, that 10% being taken over by a corp wouldn’t kill Lemmy. That 10% would be too little to perform the drawbridge strategy and so people could migrate to a different instance and access the same content.