Depends of the thread for a part, and of the way it's done.


For example there's no point in reviving threads in FFs fora where one was asking for help. Same with most of the threads where people are asking for an opinion or an advice.

Also, people who just revivive without adding something meaningful have no valid reason to do so.

Then it makes more thread active, with the revived going in the middle of new threads.

Last, it has to do with the server, because every once in a while, we'll prune threads that haven't been replied to since a set number of days/months, so reviving prevents pruning (GameFaqs' boards users know that).