How did the AT AT's breach the shield

[Lord Revan]

I think it's generally one or more of the administration thinking 'okay this was it' rather than a formalized process but if you're thinking texanmarauder has earned it, I concur

I think that title has been retired, I seem to remember Dalton (or some other member of the admin/mod team) saying that it was retired as trolls saw it as a reward rather then as a punishment.