No it isn't. Clearly both techniques "can" be used, but that one "allows" shared state trivially and one doesn't matters greatly; it is not orthogonal, you jus

No it isn't. Clearly both techniques "can" be used, but that one "allows" shared state trivially and one doesn't matters greatly; it is not orthogonal, you just don't grasp the point being made about the nature of the choice of abstractions and the problems that come with them.