While I agree that they are probably fake, I don't agree that everyone would spend time niggling over tiny pixels, etc. from crappy screenshots. I CAN believe why anyone would think they are real. Let's not be sensationalistic....
I'll niggle over tiny pixels if I want, what do you think Apple do to make their software look so good - they niggle over tiny pixels. They would never release such crap.
For a start the pics show a Windows version of iTunes with a mac cursor, if you believe these are real you're delusional