http://images.fanpop.com/images/image_uploads/Barack-Obama-C...
The world he presents is a cartoon caricature of the real world. In the drawing linked above, you can clearly recognize the president, but you wouldn't use the drawing to fit him for a hat. His prominent features are overemphasized in interesting and humorous ways for the purpose of sparking delighted recognition in the viewer.
Gladwell does the same thing in words. He presents us with a caricature of our world with its features humorously exaggerated in order to spark the same sort of recognition.
tl;dr. Its a funny. Don't use it for science.