It can be easy to forget in the crush of the launch of an entirely new product like the iPhone 5, but Apple’s quality control process is one of the most stringent in the world. While we gnash our teeth at pre-scratched units, yellow screens and purplish lens flares, it’s worth keeping everything in perspective: minor aberrations in a pursuit of perfection wrought upon such a collossal scale of mass-production that the mind literally reels to think of it.