Create a better one, and then ask a moderator with jurisdiction over that board to switch the pinned thread. There's no need for any big debate about it: if there's a thread which hasn't been updated in several years, and somebody is asking me to pin a different thread which seems better after a few minutes of skimming, I'm probably just going to do it. (But please try asking other mods first, rather than me.) If somebody ends up having a problem with something-or-other regarding the new thread, then they can make a better thread, and we can at that time have a public debate in Meta about which up-to-date thread is better.


Mods are not supposed to edit the content of a post, even if it's a sticky. Mod edits should be limited to non-content things like fixing broken bbcode, merging posts, etc., so that nobody ever has reason to complain that a mod "put words in their mouth".