Ethics is a dirty word in the world of stocks and funds. If you want to be successful on Wall Street, you have to be willing to lie, cheat, and steal with a straight face and no conscience. Amazing that the SEC allows these criminals to get away with it, but the SEC isn't exactly known for ethics either.
Biggest problem is the carriers own too many people in the regulatory agencies and too many people in Congress. The agency people and congressmen need the bribes, so they aren't going to piss off the carriers.
Having trouble imagining a 27" retina screen. If they are having trouble making enough 13" retina screens, how bad will it be for 27"? However I'd hate to see them making it thinner and losing functionality in the process. Thinner is fine, but not if it means integrated graphics only for example.