The biggest part of the OS that isn't open source is Aqua. But, really. Thats just the UI. And I'm always hearing about how good Compiz Fusion is supposed to be. So, shrug.
Where is the code for Aperture? Final Cut Pro? Numbers/Pages? Even iTunes? I also want to see the code for Google's page rank, BigTable and gmail.
I also want to see scribd code for converting MS Office documents to iPaper. 90% of their solution consists of Open Office code that they took freely and haven't released theirs in return.
The user in question can download the .mov file manually and view it, but somewhere between hist click and the view his system is not passing a version check.