We, as a human race, wants to enjoy life, more than learning about it. I believe that the boy in the video is an alien being, who discovers that humans do not want to advance their knowledge, but to entertain(rap video scene), distract with trivial facts(paparazzi scene), induce ourselves in vanity(photo-shoot) and lust(two women with boy/alien), pursuit of wealth(raining money scene) by experience these things himself and realizes that he has become self-absorbed, finds the giant tent, and dies in the center, but as a symbolic death of what he used to be, himself, his true nature, just the same as have long ago.
I think that this song is about a hadicaped boy and all the fame, money, and everything what is shown there is only what heīs dreamt about and in the end he falls down on the floor and I think it represents that he realizes that he could never reach all his dreams, mainly because of his handicap. In my opinion this song is for people who donīt think of any other things than money and social success and donīt realize that there are many people who can only dream about things like that...