Sidewalks are methodical and not always where people want to walk. They try to keep people on a planned path to avoid chaos and ugliness. If you put a sidewalk where every person walked, you'd have too many sidewalks. Sometimes people get confused and drive on the sidewalks.
You're also making my point that people can't even use The Lounge correctly. Our two categories are basically Motorcycle Related Discussion, and everything else, and people don't get it right.
The Classrooms already says "Site Software Questions, Suggestions, and Announcements (and anything else related to the site itself)." It should also be clear from the existing content what should be posted there.