That has been shown to be nonsense: http://mobile.nytimes.com/2008/04/08/science/08tier.html http://mobile.nytimes.com/2008/04/08/science/08tier.html Also, I

That has been shown to be nonsense: http://mobile.nytimes.com/2008/04/08/science/08tier.html http://mobile.nytimes.com/2008/04/08/science/08tier.html Also, I brought a 2016 MBP and contemplated keeping it despite not liking it because I wanted a Mac OS X development environment. I ended up returning it. There are more choices than the two you stated.