http://w3aqfu5ja4ehvhtynjgrdjbfvbxc3bqhz4fqwiok3obtne27axscjxqd.onion/misc/recent3
But users could then still show the thread if they desire to do so, by ignoring that specific ruletag. Kind of like how /trash/ works on 4chan or how /free/ /spam/ /test/ etc work on lambda, but incredibly more powerful, as there is no "movement" only additional information attached by moderator.