media coverage of Lisa Nowak is childish

But what’s with the diaper—that is, the media’s obsession with the diaper that Nowak reportedly wore during the 900-mile drive from Texas to Florida?  Why does the public need to know about the diaper? How relevant and important is it in the whole scheme of things compared to the actual charge of attempted murder? Why did police choose to share that information and why did reporters choose to relay that to the public?