That's good to know.
Reading over this thread, there seem to be two prominent complaints that I've seen repeated several times.
~Members not following directions and bumping up their AT posts and getting angry with the authenticators
~Newbies authenticating items that don't seem to be vetted for the process
Do the longtime (fully vetted) authenticators in the AT threads have mod authority in these particular threads? If not, perhaps it might not be a bad idea to enable mod status for those threads. They could delete posts on their own (without having to wait for a mod) and send a warning if need be for abusive members. If you're concerned about one mod abusing power, perhaps you could have two mods agree for a deletion.
On various forums that I've moderated on in the past, a special forum (invisible to other members) was set up for moderators where they could post amongst themselves, keeping an eye on certain members, etc. Of course, Admin would have full access and this would likely make it easier on you and other Admins than to sift through the many emails and PM's that I'm sure you receive to see who/what is problematic.
I would tend to think that it would make sense to fully vet members that are authenticating. Personally, I wouldn't trust a newbie that hasn't been here long to authenticate an item for me. While they may be an expert in the brand, no one here knows that. I would hate to see a member purchase an item, find out at a later date that the item was counterfeit and, point fingers at TPF, thus giving the forum a bad name. For this, there really is no easy answer for. (Proving oneself in other threads over a period of time, showing that you know a particular brand with the seasoned authenticators in agreement?)
I have noticed that Colourful_belle for example has one lengthy signature line which shouldn't be necessary. Many don't read, we see this often enough with eBay sales. I see that Tutushopper had to repost the AT rules again yesterday in the AT Chanel forum. I think a great idea would be to have a form prompting the member for the proper fields required to provide authentication.
These are only my thoughts of course, as I'd like to see the entire community happy.