If no one is left alive to question, then there are no more questions from us.
So what?
If, right now, we don’t value human existence as much as we ought to, we can only discover how correct that judgement is, with more data/information.
Equivalent: If, right now, we value human existence more than we ought to, we can only discover how correct that judgement is, with more data/information.
As you yourself point out, “we don’t know what we are wrong about”.
Morality exists because we do.
Sure, but again, so what? You treat the existence of morality (or of “questioning”) as an absolute good, but offer no reasons why this should be so.
So what?
Equivalent: If, right now, we value human existence more than we ought to, we can only discover how correct that judgement is, with more data/information.
As you yourself point out, “we don’t know what we are wrong about”.
Sure, but again, so what? You treat the existence of morality (or of “questioning”) as an absolute good, but offer no reasons why this should be so.