The difference between Mac and PC keyboards is a real usability problem. If you're used to PC's or Linux, moving to a Mac and dealing with their shortcuts is painful, and vice-versa. The worst is using a mixture of both Mac's and PC's on a daily basis. Moving back and forth between platforms daily means you either have to get used to hitting the wrong shortcuts or use a hack to swap keys around on one platform so you…
They don’t want to be interoperable because then you might realize you’re paying a huge premium for an inferior product.