It wasn’t an issue because whenever someone would make a comment, it would “bump” the thread back up the top of the feed (whatever form the feed took). I think the “hot” filter is supposed to take interactions into account, but I think most people just browse top 12/24 hours.
edit: “active” sort seems to do this?
Semi-proud to say that after an intro day showing him the scope of the software, my replacement quit. We tried to tell him in the interview but maybe he just didn’t believe us.