I don’t think David Pearce argued for moral realism here. Judging from this sentence:
Either way, I hope you’ll grant that aiming for the most [subjectively if not objectively] valuable universe isn’t really “unfriendly” in any objective sense.
it’s not clear that he is even a moral realist at all. Does he talk about his meta-ethics somewhere else?
I don’t think David Pearce argued for moral realism here. Judging from this sentence:
it’s not clear that he is even a moral realist at all. Does he talk about his meta-ethics somewhere else?
David has indicated in conversation that he is a “realist” in the sense that there are right and wrong answers about what to do with the universe.