This is true, but the parent specified the retina MBP, and that does make a difference (in my experience, and others I know who’ve tried). Retina displays will

This is true, but the parent specified the retina MBP, and that does make a difference (in my experience, and others I know who’ve tried). Retina displays will spoil you quickly. I live with HD/HD-ish laptops for battery longevity, but even the retina tablet display can be jarring.