I also never thought that the UX was particularly good. It looks pretty, but some fundamental stuff is hidden and when I was new to OS X I never knew when I had to switch to terminal. To me the real reason to run OS X is that I never have to fight with drivers or my xconfig. On Ubuntu plugging in a projector to give a presentation was always more exciting than it should have been. I more often than not had to borrow someone else's Windows laptop. I also can't count the times apt-get update replaced my proprietary Nvidia driver with an much worse, open source one. Last time I gave Ubuntu a try a few years ago it actually managed to destroy the firmware on my external screen. I just want a Unix based system that works.
> I also can't count the times apt-get update replaced my proprietary Nvidia driver with an much worse, open source one.
I don't think it's fair to compare OS X (with runs on a very limited set of hardware) with a Linux distribution running on a random not-well-supported system. If you want an apples-to-apples comparison I'd suggest to test Ubuntu on one of the officially supported systems - see https://certification.ubuntu.com/desktop/ for a list.
It's fair when you consider the usual value proposition of "do I buy a PC and put linux on it or do I buy a Mac".
But you are right, some people mix these different issues up. My next laptop will come with Linux pre-installed - so I expect to report that all the bits work correctly (except Linux will be running on top of Qubes rather than on the metal, so...)
