Because there are different kinds of "just works". There are those people that want to have a seamlessly integrated UI that just works, so they use Apple. The

Because there are different kinds of "just works". There are those people that want to have a seamlessly integrated UI that just works, so they use Apple. There are those people that want their toolchain to just work, so they use Linux/BSD. And finally, there are those that want their computer to just work until it breaks and they have to buy a new one. Those people are "still on Windows".