To elaborate on your example: Apple's Mail.app has always been vaguely shit. Every major rev of OS-X always introduces a new way in which Mail.app fails. > in

To elaborate on your example: Apple's Mail.app has always been vaguely shit. Every major rev of OS-X always introduces a new way in which Mail.app fails. > in Apple's case, they hate to admit anything can possibly be wrong in perfect-town Apple. Bingo. And that's exactly what the article is talking about. Things that a company or programmer has the ability to fix _now_ just don't get done.