I'm guessing they just banned previous accounts on 1.0, not deactivated their Keys or deleted their characters... so all the RMT we had in 1.0 can now happily play again on 2.0... and i can tell you, there were quite a lot of them :/
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[XI] Surivere of Valefor
[XIV] Sir Surian Bedivere of Behemoth
http://na.finalfantasyxiv.com/lodestone/character/2401553/