We'll never have high enough fees to replace the missing income from block rewards. I write it down here for posterity. Without a dramatic twist in the incentive model for miners, hashrate is doomed in a couple of halving cycles. Timestamp this post.
Discussion
As long as sats are valuable enough, even a 5sat/vB fee would be high enough
That's the issue I'm researching now: the decreasing rate of return of sats in USD terms. I don't believe in sustainable unbounded power laws