Do the add-on and add-on author both treat the user respectfully?
Your software should not intrude on the user unnecessarily, try to trick the user, or conceal any of its activities from the user. Users (or even non-users) are sometimes rude in their comments, and while we will do our best to filter out inaccurate reviews as they’re reported to us, we do expect that authors will avoid retaliating with rudeness of their own. Is the add-on useful to an appropriately wide portion of Firefox’s users? Your add-on doesn’t need to be the next Greasemonkey or Firebug, but if it is only useful to people at your company or who are part of a small web community, we may feel that it’s not yet appropriate to put it in front of all of our users. We are constantly looking at ways to improve the organization of the site to better accommodate add-ons that are exemplary in other ways, but are aimed at only a small community of potential users. Correctly categorizing and maintaining the metadata of your add-on will help us figure out how we can surface more of those so
