That's a deflection again. Nobody doubts that technically both #activitypub and #atproto support decentralization.
But the point is that *in practice* basically all #bluesky users are concentrated on infrastructure of a single company under US jurisdiction, while #mastodon users are distributed over many servers in many jurisdictions all over the world.
The consequences can be seen with Mississippi.
https://mastodon.social/@ikuturso/115124768664434731
https://mastodon.social/@mastodonmigration@mastodon.online/115125132980066617