Deconstructing "This Is Why I'm Hot"

I'm not really convinced that rap is music ... but I found this on the Opinion Journal today and I pass it on to you:

Hot Hot Heat: A graphical dissertation on the number one song in America

Excerpt:

The most amazing line in "This Is Why I'm Hot"—and, even at this early a juncture, quite possibly the most amazing line of any song to see release in 2007—is "I'm hot 'cause I'm fly/You ain't 'cause you not." Brutal and unassailable in its simplicity. Consider the reasoning, first, of just "I'm hot 'cause I'm fly": Mims is hot because he's fly. But it raises the question: Does being hot guarantee one's being fly?