I must not understand them either then. The basic concepts seemed all there to me, with some stuff that I wish was in MMO's.
Not even close, hell the basic structure of Sword Art Online makes no sense, MMORPGS do not have 100 level towers, they were stuck in at best a dungeon, and that is just the tip of the iceburg. It really hits home when you watch Log Horizon just how badly Sword Art Online understood its own source material.