It is my fault. I've had issues in the past with people editing their posts (like stuff for sale, claiming one thing, then editing after sold). With vBulletin, I had a log of edits so when someone complained about this, I could pull up the log for them. IPB does not have this log. To somewhat remedy the problem and also try to relax the 30 day/30 post rule, I decided to restrict the ability to edit to supporters. The idea there is that if you've paid money and are an active supporter of the website, you probably aren't out to screw people with misleading ads. Of course I could be wrong, but that's the theory. If anyone needs a post edited, they can also ask a mod/admin and we'll gladly do it.