Market share is only part of the puzzle. Margin matters, too, and that's where Apple really shines.
Microsoft and hardware vendors such as Dell/HP/etc., may comprise a much large market share, but they operate on a much lower margin as well.
BINGO!
I love tweeking liberals who just worship Apple by telling them of the 25-30% net profit margin for making toys vs. the “evil” oil companies who produce a vital product for our economy & standard of living makes a measly 6-8% net profit.