Not by my definition, but okay. I'm not going to argue with you on that.
I was an OS X user for 7 years, I left shortly after Yosemite made its debut, because I had a love-hate relationship with Linux, and because I at the time despised Windows heavily. I left for a variety of reasons, one of which was the progressively declining build quality of their systems. In the PowerPC days, the price made sense and OS X was an okay OS, also I was significantly less computer literate. The nail was that my Powerbook G4 of 3 years (used) met its end, and I had to have new computer for college, so I blew $2500 on a shiny new rMBP. and I had so many issues with it:
The SSD had to to be replaced no less than 4 times, twice by Apple, once by an Apple store, and once by myself. When I cracked that case open, I was mortified because they glued the damn battery to the case - what were they thinking!? I was also increasingly fed up with the instability of newer versions, the brittleness of the plastic keys, the piss poor performance of code I wrote, as well as so much rigmarole with the libraries, plist files, App-Store bullshit, outdated libraries and hell knows what else. I replaced the SSD a final time, and sold it for $1000 in February of 2014, after roughly 16 months of use. I've been Apple-free for nearly a year, and before that my servers running Fedora and desktops running Arch were forced into that straight-jacket called systemd, I've had enough with these "relevant", "walled garden" or other bullshit consumer OSes. About the only OS that I have any respect for is Android, and that's because its very well designed compared to conventional Linux, and I love that everything but the kernel is permissively licensed, if Apache License ( I agree with DeRaadt here, the AL 2.0 is bullshit )
I use PC-BSD, and their *NAS products for various things. My main system is FreeBSD 10.1, and relatively minimal and simplistic. I love Lumina, but just like I don't want Windows in my Linux, I don't want Apple in my BSD.
As I said, if the day comes where launchd or anymore poorly designed Apple bullshit comes into FreeBSD, I'm going to fork it, like Matt Dillon did. Looks like I have at least another year, since the change will have to come at release 12 or later, which is good because my prohibition from contributing open source expires May 19th of this year. Note, I'm not ragging on clang, because clang is good, but most all other change.
I'll invite any disgruntled users of FreeBSD, any developers and such to the project as well.