Same mistake, Only actions that affect others are morally relevant, from which it follows that rightness cannot be evaluated from one person’s values alone.
Maximizing ones values solipsitically is hedonism, not morality.
Notice I didn’t use the term “morality” in the grandparent. Cf. my other comment.
But the umpteenth grandparent was explicitly about morality.
Same mistake, Only actions that affect others are morally relevant, from which it follows that rightness cannot be evaluated from one person’s values alone.
Maximizing ones values solipsitically is hedonism, not morality.
Notice I didn’t use the term “morality” in the grandparent. Cf. my other comment.
But the umpteenth grandparent was explicitly about morality.