User blog comment:LegoI3rickI3uilder/Community Vote!/@comment-4041224-20130405124942/@comment-18933973-20130405144101

Duping and impersonation are two completely different things. And yes, it can be countered. As long as the user knows that there is an anti-impersonation rule, then they won't make an account named off of someone on the MBs, like a Mod.