"there is a recurring refrain about implementers deciding they don't care to implement AP as specified, and that this indicates a problem with the spec, not a problem with implementers."
https://trwnh.com/unstable/fedi-vs-web.html
It does. The point of a technical standard is to document the best practice of a group of implementers. It is, by nature, a living document that needs to be updated, as the experience of implementing reveals problems and finds better approaches.