Someone will still be able to move them, that’s the beautiful thing. Free markets work.
As soon as BlackRock takes their (hard) forked btc-derivative shitcoin business elsewhere, the mempools will clean up and bitcoiners with a long time horizon will benefit from the credibility afforded by the ETFs. NGU over time.
Everything is good for bitcoin as long as NGU structurally (at least some) every halving cycle.