In the video linked below, we see that President Bush's iPod contains songs by the Beatles; since no Beatles songs have been licensed for the iTunes Music Store yet, these must have come from ripped CDs. Remember last February, when the RIAA told a federal agency that ripping CDs is illegal? I wonder if they'll bring charges.
Nor does the fact that permission to make a copy in particular circumstances is often or even routinely granted, necessarily establish that the copying is a fair use when the copyright owner withholds that authorization. In this regard, the statement attributed to counsel for copyright owners in the MGM v. Grokster case is simply a statement about authorization, not about fair use.