However, I don't see how that would count as morality.
See my previous coment on "Real Magic": http://lesswrong.com/lw/tv/excluding_the_supernatural/79ng
If you choose not to count the actual moralities that people have as morality, that's up to you.
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: