Don't get me wrong....I do not want a humans-only D&D game. But my perception of this fantasy subgenre of ours is that it has become much too Tolkien-race-centric, that the "core races" of Other Than Humans being taken for granted and expected to exist and be predominant in the game is precisely the problem I am identifying. To its credit, 4E tried to break up this formulaic and stagnant aspect of escapism in the game with its dragonborn and other^3 elves. And it worries and saddens me when I hear that people say if the game doesn't have elves, dwarves, etc. as alt-races on equal footing with footing with humans, then it's not D&D. I gues what I am hoping for is for players to think more outside the box, to imagine campaign worlds where the same six races are not the most common or dominant. A game world in which centaurs, minotaurs, satyrs, wemics, catfolk, and lizardfolk are the dominant nonhumans would be refreshingly different. It should be noted that Rules As Written tend to dictate the style of Games As Played, simply because (and this is not a criticism, only an observation) GMs find it easier to let the books decide how things work for his world than to try to make stuff up on his own.