There's always going to be some level of centralization and censorship. That isn't stopping Nostr from already being a better alternative.
Discussion
I tend to think this is right, but we’ll find out. If the ethos is too much about “safety” or “growth” and short-sighted busybodies get their way, it could be a dead end.
Think it’s a bit like the block size wars for bitcoin in that way — a free speech ethos has to trump premature optimization for user comfort.
Still remains to be determined.