If you want to illustrate the non-objectivity of morality, then stating that even ideal rational agents won’t converge on them is one of expressing the point, although it helps to state the “ideal” explicitly. However, that is still only the expression of a claim, not the “demonstration” of one.
If you want to illustrate the non-objectivity of morality, then stating that even ideal rational agents won’t converge on them is one of expressing the point, although it helps to state the “ideal” explicitly. However, that is still only the expression of a claim, not the “demonstration” of one.