However, I think we _need to want_ this to succeed, even if there are other ideas of what decentralised architectures should look like.
It may not be the best system to everyone, but it has some clout with Tim Berners-Lee behind it and its architecture and capabilities can -and will- evolve. It looks to me like our best chance to start 'disrupting' the current status-quo, even if it flies under the radar for a while.
I can imagine an Instagram-like app that would let me import a take-out archive from my Instagram account and just let me continue where I left off. Maybe I would need to rebuild a user-base, but that's OK, there would be new people on that platform and and more control over what I want to see, rather than some ad-optimized algorithm deciding for me.
A payment systems built on top could allow direct monetisation for content-creators without having to go through a 3rd party that enforces arbitrary rules over what content gets and doesn't get monetized.