it only goes to the top of a forum if it has not been archived. Forums that do not have many posts might have a thread you can kick and it will go to the top. Threads in busy forums, such as GD, have too many new posts to make it to the top of the forum.
Highplainsdem explained it here and I see Earl confirmed it as well.
https://www.democraticunderground.com/125628939#post5
"Not sure what EarlG will say, but my understanding is that as long as a thread hasn't slipped off page 30
Reply to cliffside (Reply #4)
Tue Jul 22, 2025, 09:31 PM
of the board in each forum, replies will kick it back to the top of the board.
It can be only days before a thread drops off page 30 in GD, but a very long time in less active forums.
Each time a thread is kicked back to the top of the board, it can again slide as far as the bottom of page 30 and still be kicked. How old the OP is doesn't matter. It's all about how old the previous reply was and whether that had been recent enough to keep it on the board.
Threads pinned to the top of a board will get new replies indefinitely, if they're not locked.
Anyway, that's how every board I've run worked, and how DU seems to work."
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