You raise reasonable points, but consider in turn that Apple's whole brand is built around providing a friendly experience. They're certainly aware of app store trends at the upper management level, as evidenced by discussions with stock analysts on conference calls about whether the trend towards $0.99 apps means a race to the bottom that could lower the perceived value of the platform.

I agree that it's not as simple as Steve Jobs rolling around in a swimming pool of money cackling at the misfortune of penniless developers, but I find it hard to believe nobody has mentioned to him that the peasants are revolting.