It's because you're a human. You can't divorce yourself from being human while thinking about morality.
It's not clear to me that the first of those statements implies the second of those statements. As far as I can tell, I can divorce myself from being human while thinking about morality. Is there some sort of empirical test we can do to determine whether or not that's correct?
As far as I can tell, I can divorce myself from being human while thinking about morality.
Seems to me that if you weren't human, you wouldn't care about morality (and instead care about paperclips or whatever). So even if you try to imagine yourself as some kind of neutral disembodied mind, the fact that this mind is interested in morality (instead of paperclips) shows that it's a human in disguise. Otherwise it would be very difficult to locate morality in the vast set of "things a mind could consider valuable", so there is almost zero probability that the neutral disembodied mind would spend even a few seconds thinking about it.
There seems to be a widespread impression that the metaethics sequence was not very successful as an explanation of Eliezer Yudkowsky's views. It even says so on the wiki. And frankly, I'm puzzled by this... hence the "apparently" in this post's title. When I read the metaethics sequence, it seemed to make perfect sense to me. I can think of a couple things that may have made me different from the average OB/LW reader in this regard: