#ActivityPub should have a subject field for all status posts so that a decent reader can list subject lines only. This view would be akin to a mail or news reader layout with a subject pane and a viewer pane. The splayed-out, real-estate gobbling, all-or-nothing, vertical feed view is highly annoying and counter-productive. This default layout forces users to see every word and image in the feed, providing a sensory experience of total information overload. This mobile-first, low-IQ presentation is migraine fuel.
Back in 1991, the sysops of the "STaTus BBS" in New Zealand created a #GUI for their board.
The system was powered by "Instant Graphics and Sound," a plain-text vector graphics scripting language for the Atari ST similar to RIPscrip, but predating it by several years.
Here's a video showing an IGS demo they made to give an idea of their impressive "GEM Desktop" #BBS interface: