@darnell
> Also, running a PDS (Personal Data Server) is expensive, […]
The author doesn't say that PDSes are expensive. They even admit that PDSes are cheap:
> […], running a Personal Data Store is fairly cheap, because running a Personal Data Store is more akin to running a blog.
What they say is expensive is "relays" and "AppViews", akin to Google Reader, whose cost grow in proportion as the entire Bluesky network grows. And the problem is that Bluesky as social media utilizes an architecture the author calls "shared heap" that heavily relies on them.