In the Help & Support section of the forum there are quite a lot of new posters reposting their old posts or recreating their old threads because they haven't gotten a reply within 5 - 10 minutes. A filter should be added to stop the flooding of these threads and to prevent these threads going to the top of the list drawing attention away from the other threads where their creators are still patiently waiting for an answer.
Another thing is that some people reply to threads older than a month thus dragging that thread to the top of the list and doing exactly the same thing spamming does.
I think that a filter should be added to stop similar posts/threads being reposted/recreated within a 30 minute span and that threads older than 30 days should be locked automatically and made so that only staff or very high ranked community members can reply to it.
Staff should also get the ability to lock threads when they want to in case they haven't been locked by the system.
I think this idea will clean up most of the Help & Support forum of necro posts and spam posts/threads and most importantly get the newer questions answered more quickly.