So Facebook developer Joe Hewitt tweets that he’s ditching the super-popular Facebook iPhone app, and TechCrunch, clearly sensing there’s more to the story here, reaches out to learn why. “My decision to stop iPhone development has had everything to do with Apple’s policies,” Hewitt told TechCrunch. “I respect their right to manage their platform however they want; however, I am philosophically opposed to the existence of their review process.” He’s very concerned, he said, about Apple setting a bad precedent.