First of all, Lemmy is open source. If you or anyone else wants to improve things, please open issues with concrete suggestions, or better yet make a pull request.

The linked post also has various factual errors, not sure if AI hallucinations or the author was using older versions.

The first 30 second: Stop explaining federation up front

I changed this on join-lemmy.org a few days ago. Maybe its not reflected in other language translations yet.

Feeds: Lemmy needs content gravity, not just content

Not really sure what these mean, would have to see concrete examples of these supposed problems.

Search: “Technically present” isn't enough

Search already shows communities first.

Portability: Lemmy’s killer feature new to feel real

Data migration between instances has been implemented for a long time.