I think Eliezer is simply suggesting that qualia don’t in fact exist in a vacuum. Green feels the way it does partly because it’s the color of chlorophyll. In a universe where plants had picked a different color for chlorophyll (melanophyll, say), with everything else (per impossibile) held constant, we would associate an at least slightly different quale with green and with black, because part of how colors feel is that they subtly remind us of the things that are most often colored that way. Similarly, part of how ‘goodness’ feels is that it imperceptibly reminds us of the extension of good; if that extension were dramatically different, then the feeling would (barring any radical redesigns of how associative thought works) be different too. In a universe where the smallest birds were ten feet tall, thinking about ‘birdiness’ would involve a different quale for the same reason.
I think Eliezer is simply suggesting that qualia don’t in fact exist in a vacuum. Green feels the way it does partly because it’s the color of chlorophyll. In a universe where plants had picked a different color for chlorophyll (melanophyll, say), with everything else (per impossibile) held constant, we would associate an at least slightly different quale with green and with black, because part of how colors feel is that they subtly remind us of the things that are most often colored that way. Similarly, part of how ‘goodness’ feels is that it imperceptibly reminds us of the extension of good; if that extension were dramatically different, then the feeling would (barring any radical redesigns of how associative thought works) be different too. In a universe where the smallest birds were ten feet tall, thinking about ‘birdiness’ would involve a different quale for the same reason.