g1smd - 5:00 pm on Sep 30, 2007 (gmt 0)

Every editor can see the logs that list everything that happened in a category, and everything that each individual editor has done. They are useful to find any problem patterns of editing, as are other tools.

There are a number of quality control processes that go on all the time. At one point, a group of editors went on a mission to find and fix as many spelling errors as possible. In the process they visited thousands of categories and things were "noticed" and looked into in more detail in a number of those.

There are plenty of internal mechanisms for reporting inappropriate listings, and potential problems with either categories, or editors.

Any editor can check up on any site, category, or editor any time they want to do so. There are plenty of ways to take things further if they see something that doesn't look right, and there are hundreds of editors that can fix those problems on the spot.

There are many ways to get information, and many ways to communicate, most of which will never be documented outside of the community.

There is a forum thread in the editor's public forum for people to report obviously duff listings (many of which are merely link rot, or bait and switch sites), and there is a Report Abuse form to report more serious things.