Check out Netcraft - I think there would be a major meltdown if all the Linux/Unix/BSD servers went down.
I agree, Mac is more-or-less a box like most PCs on the inside that boots OSX.
But to claim that OSX is for mostly computer challenged folks is honestly unfair.
FWIW, I don't agree with and dislike it when Mac folks claim superiority just from using a Mac. It is just a computer. The Mac ad campaign has not helped things.
But to flippantly dismiss a really good OS just because you dislike Mac folk is silly. And obviously Windows boxes are getting the job done for many many folks.
Best and peace!
Kurt