Did your mind get blown?
Well, a friend of mine told me this earlier and here's what he said basically:
Bush admin = greedy humans who attack Na'vi for their riches.
Human with a disability = Obama being part black/part white, was seen as a con from people of both races.
Jake using Avatar body = Obama being accepted as "1 of us", either from the white population because he light skinned and doesn't talk black (just about any bs stereotypes you heard that makes him "acceptable")
Jake marrying the future queen = Obama marrying Michele. Makes his black side stand out. Him marrying a black woman of dark skintone is kind of a big deal.