That's not true.

It's not centralized in any way that matters. The Relay Bluesky uses is open source, you can run your own for $30/month if you really insist on doing that, it's trivial to pool between multiple apps if you want to lower costs, and there are already a few independent ones you can just use directly now, for example:

- https://pdsls.dev/firehose?instance=wss%3A%2F%2Fatproto.afri...

- https://pdsls.dev/firehose?instance=wss%3A%2F%2Feurope.fireh...