That's what makes no sense to me. Apple goes to more lengths than any manufacturer to say that their screens are professional, perfectly calibrated, will even change to a proper colour independent of lighting, etc. Why go to all that trouble, then cheap out on display calibration? Plenty of other mobile devices have inaccurate screens ranging from too cold, to too warm and nobody really cares because they're not advertised as being any different than that. I agree, apple just needs to include a way to calibrate the screens. That would solve every issue and make everyone happy. For now, I guess I'll just settle on the downsides of using a filter, it looks much, much closer to my MacBook with it on to the point that its negligible and I'll just try not to think about other colour inaccuracies.