-In all philosophical strictness, a [physicalist](https://plato.stanford.edu/entries/physicalism/) universe such as our own isn't going to have some objective morality that all agents are compelled to obey, but even if there is necessarily _some_ element of subjectivity in that we value (say) sentient life rather than (say) [tiling the universe with diamonds](https://arbital.greaterwrong.com/p/diamond_maximizer/), we usually expect morality to at least not be completely arbitrary: we want to _argue_ that a villain is in the _wrong_ because of _reasons_, rather than simply observing that she has her values, and we have ours, and we label ours "good" and hers "evil" because we're us, even though she places those labels the other way around because she's her.
+In all philosophical strictness, a [physicalist](https://plato.stanford.edu/entries/physicalism/) universe such as our own isn't going to have some objective morality that all agents are compelled to obey, but even if there is necessarily _some_ element of subjectivity in that we value sentient life rather than [tiling the universe with diamonds](https://arbital.greaterwrong.com/p/diamond_maximizer/), we usually expect morality to at least not be completely arbitrary: we want to _argue_ that a villain is in the _wrong_ because of _reasons_, rather than simply observing that she has her values, and we have ours, and we label ours "good" and hers "evil" because we're us, even though she places those labels the other way around because she's her.