[Banned due to a scene which features a nude man diving into the ocean][link]. It isn’t even well-rendered generalia, nor is it sexual in nature. It’s just a little lump below his belly. It’s just a penis, which takes up maybe 1/64th of one panel of a comic book.
I guess comic adaptations of James Joyce don’t fit Apple’s definition of “liberal arts.”
[link]: http://www.thebigmoney.com/blogs/app-economy/2010/06/09/joyce-s-ulysses-banned-again-apple-not-government?page=full “Joyce’s Ulysses Banned Again—by Apple, Not the Government | The Big Money”