You're 100% right that if we're flooded with normies it'd turn into Twitter 2.0.
I don't see that happening personally though simply because they've already made themselves at home on Mastodon and Bluesky and they'll go where the rest of their ilk are instead of a community they're often opposed to.
And I think the incentives of the V4V model help encourage quality content too, as opposed to the incentives on Twitter being literally any engagement.