Why do you think that Apple customers only by Apple because they think it makes them look cool?
My main Computers are two 2009 Mac Pros they run 24/7. I have the new iPad Pro just for the heck of it but I also have the first iPad that still does everything it did when I bought it.
Every year or so I purchase a new Parallels and install Windows and Linux, I occasionally fire them up and stare at them for a while and decide there is nothing I care to do that I am not already doing on my Mac.
There may be thousands of things that I could do with Windows that I can't do on my Mac but apparently I don't have a need for them.
To be truthful there are a couple things I would like to have that do not work with OS X but not enough to abandon Mac OS.
Most Mac users do not want to be cool, they just want a computer that will run reliably for many years, and they do.
Didn't say it was the only reason. But I do think it is a big factor, based on how Apple is marketed.
When I took my GIS class we used Macs. In order to use the GIS software we had to boot them into Windows.
Given that Android software can do most if not more than my iPhone can do (have both) I see no reason to ever get another iPhone, let alone ever be a first time buyer of a Mac.
Of course the fact that their CEO Tim Cook has decided for me that buying an Apple product is also a political statement also takes me off of the returning customer list. What kind of business leader would purposely display open contempt for 50% of his potential customer base? An Apple CEO would, that is who.