I donno, I didn’t claim that they had no moral significance. I am pretty sure that if the universe consisted only of sentient but no sapient beings, I would be at a loss as to how we should discuss moral significance.
If that was the case there would be no one to do the discussing.
If that was the case there would be no one to do the discussing.
Well, we could discuss that world from this one.
Yes, and we could, for example, assign that world no moral significance relative to our world.