You have NOT successfully grounded morality by picking something by an arbitrary act of will and building everything else “objectively” on this one layer of arbitrariness.
As my speaker notes. One can regard empathy as a WEAKNESS.
Nietzsche does.
It does more moral harm that good.
I don’t see a very strong case for NOT eradicating empathy and (therefore) not feeling bad.
If “not feeling bad” is the only objective, that is.
But what else IS empathy?
I see no MORAL reason to retain empathy—on naturalism that is.