I have to disagree with the author in a small, but essential detail: blogs have their own interface, independent from RSS, So I don't need the app to view Bob's stuff on his blog. As a PDS don't have a interface, the app/instance/interface is the only way to view Bob's stuff. RSS is a add-on over a working thing. But an app view is not a add-on, but a essential piece. BlueSky fixed a lot of the problems that made hosting relays and appviws hard and expensive, but to this day, it's not a option for selfhosting a single user Atmosphere presence, equivalent to a blog, while GoToSocial or SNAC2 offer exactly this.