We always wonder about technology leaks, especially if they are about the major players like Apple, Samsung, Google, or Microsoft.  In this case (pardon the pun) the controversy is about the earnings of the Chinese workers in the factory where the purported plastic cases might be made.  If these cost savings to Apple are that significant, then corporate greed might actually be an issue.
plastic-iphone

Low Cost iPhone Case Controversial?

Thanks to TC and China Industry News