If I had to make a wild guess, I’d say that what would horrify Eliezer is that at the end (ROT13) gurer ner bayl gjb cbffvoyr glcrf bs vzzbegnyf, Ybbc Vzzbegnyf juvpu frrz pbtavgviryl fghagrq naq checbfryrff, naq Enl Vzzbegnyf jubfr fbyr fubja rknzcyr frrzf zrynapubyl, ertergshy naq srryvat vzcevfbarq ol vasvavgl.
If I had to make a wild guess, I’d say that what would horrify Eliezer is that at the end (ROT13) gurer ner bayl gjb cbffvoyr glcrf bs vzzbegnyf, Ybbc Vzzbegnyf juvpu frrz pbtavgviryl fghagrq naq checbfryrff, naq Enl Vzzbegnyf jubfr fbyr fubja rknzcyr frrzf zrynapubyl, ertergshy naq srryvat vzcevfbarq ol vasvavgl.
I’m inclined to agree with this; the idea that life in the infinite limit isn’t “maximum ridiculously awesome” is probably what scares Eliezer.
But they’re not purposeless—they keep the Enl Vzzbegnyf from feeling too vardhvar.