Many of the top linux kernel developers use Os X... Hell fucking linus motherfucking torvalds use a macbook air, you need to get out of that retarded noob shit attitude created by ur slight early proficiency in computers, Os X is simply a clean version of Unix with a lots of shit written for it, nothing less nothing more. Yes there is a lot of sandboxed shit and an app store now that you dont even have to use, still when it comes down to writting actual code, its a very nice platform and you havn't made any rational point whatsoever about why the fuck would anybody not want to use it as a developping platform.
You can even use vmware on it and virtualise the shit you need so I just dont know wtf ur talking about you big fucking noob. Meanwhile, visual studio and windows 8 are fucking disasters, ffs the new visual studio install so many fucking shit on your Os it is now fucking necessary to install it on a virtual machine if you dont want to crap into your main partition. And lets not even talk about windows 8 and all the fucking around u need to do in order to get a real Os out of it instead of a fucking retarded touch screen iOs wannabe shit piece of fuck.