To be fair I agree with the notion of publisher driven publicity. Perhaps he's obligated.

I suppose my real problem is that the contents of the book are being pieced out to the media before it is available. From my past reading about Jobs this kind of frenzy wouldn't seem to suit his tastes, and you can be damn sure he'd be pissed about information leaking prior to release. I stand by the "bad taste" statement as there is strong evidence that the subject of Isaacson's work wouldn't appreciate what he's doing.