Linux works BECAUSE of the fracturing, not in spite of it.
I don't know what numbers you are looking at, but Linux is not "working" at least in the sense of user base. It has very low usage on the desktop. Very low.
than pay through the nose for OS X + hardware
Ok troll, nice try. Where did I say "my beloved OS X"? No where. Pay through the nose? Not quite. I did a price compare before I switched. Very competitive when you go feature for feature.
then all the little nickel and dime utilities you need for OS X
Nice try again troll. I have been using OS X for more than 2 years now and have never needed nor bought any of the apps listed on your link. I guess you are suggesting that there are not 10's of thousands of shareware apps out there for MS Windows?
Go back under your bridge.