It's also governed differently from the others in being an oligarchy. That requirement for consensus-building and internal variation creates robustness; it gave Dubai the room to experiment, for example, with religious moderation.
It's not a view I hold too seriously. But I remember visiting the Emirates and Saudi Arabia--shortly after the Phillipines and India--and thinking to myself that the British were, in their time, far better at nation building than we've (EDIT: America) been in the post-War era.