The fact that the system is built around this escape hatch makes it miles better than almost all other social networks. An escape hatch doesn't need to be used by most people to be valuable.
I know when I’m using a Nostr app because its logo is an endless spinner.
At the scales these systems run at, you need large indexes. Distributing those indexes across many nodes would require a breakthrough in federated queries, and if you have one of those lying around I’d pay good money for it.
yeah I'm not saying the blog is right or wrong; I'm just saying that describing bsky's features and asking "what's the issue?" means you aren't engaging with what it's actually saying.