While the letterforms on that virtual page may look gorgeous, it’s apparent to any designer that the text is far from perfectly typeset. It’s hideous, scarred as it is by unsightly “rivers” of bad spacing within the text. No self-respecting typographer would dare call that perfect.
It really is a JV move of Apple. Jeff Croft suspects it could be related to the use of Webkit throughout the platform, but even that wouldn’t be an excuse for these kinds of mistakes.