A game that would be probably about 1/2 of the total zones created, a lot less work on class balancing(The mastery system seemed ok.. but early.)
A lot of these companies are trying to just straight up take on the Goliath of MMOs, Blizzard/SE/Tencent, a hint no one can 15-20 years experience building out what customers want from a game, trumps any "Design Document".