And not just "the cost of Windows" and the less-mentioned "the cost of Pentium", but that both must be created to be general-purpose enough to work with any imp

And not just "the cost of Windows" and the less-mentioned "the cost of Pentium", but that both must be created to be general-purpose enough to work with any implementation of either - to wit, more overhead costs that don't pay off for particular instances. This vs Apple building both the OS and hardware for each other and nothing else. There's a whole lotta bulk from M$ and Intel products that Apple doesn't have to provide nor charge for.