> The distance is independent of anyone's skills. The complexity of the task does not depend on how skilled you are, that's why we're using abstract units, to m

> The distance is independent of anyone's skills. The complexity of the task does not depend on how skilled you are, that's why we're using abstract units, to measure the size, not the time. So what is the point then? We can abstract away distance. It doesn't help you cross that distance.