It's fairly obvious that they are suffering, why else would they now allow Windows to be installed on a Mac? Because Windows is more functional than OS X and people know that.
Finally, the makers of OS X, Apple, is an attempt at a monopoly over you once you buy their product. Mac this, iPoo that, with other OS's, you can get choose from a multitude of 3rd party addons or software that OS X can't compare to.
Most people complain about Other OS's problems, however these are usually because of carelessness and things THEY downloaded. When OS X crashes, it crashes.
Person B: "Because you got a virus. It' called W32.whatever."
Person A: "My Mac keeps crashing, why?"
Person B: "Because you got a virus. It's called OS X"