It’s great that people are leading conference tutorials, courses, etc. based on Observable, with an assignment notebook that every student forks and modifies, but one slightly unfortunate consequence is the big blocks of 20 near-identical notebooks which really clutter up the /recent page. These often make up like half of the notebook feed, and for most readers they are pure noise, not worth clicking through.
Have you folks considered trying to detect and filter these out? Perhaps instructors could opt into flagging their notebooks as class assignments, and all of the forks could be grouped together into one clickable group?
The better the signal:noise ratio of the notebook feed, the more people are encouraged to browse it.