The simple fact is that BitCoin is drawing a lot of mainstream media interest. Given that nobody really knows who's behind it, (and for those really suspicious of a conspiracy, what all this crowd sourced crypto is analyzing), it's certain to draw questions. Like the ST:TNG episode "Clues", we have a series of minor mysteries on our hands.
But nevertheless, it isn't clear to me that Newsweek outed the right guy. As odd as Nakamoto appeared in the article, I'm left with feeling that the reporter is the one that's acting weird.