There’s no such essence in a classical philosophical sense in naturalistic metaethics. Rather, the transcendence comes from morality-as-computation’s ability to be abstracted away from brains, like arithmetic can be abstracted away from calculators. “Concerns generated by our brains”, for example, breaks down when we try to instill morality into a FAI that might be profoundly non-human and non-person.
There’s no such essence in a classical philosophical sense in naturalistic metaethics. Rather, the transcendence comes from morality-as-computation’s ability to be abstracted away from brains, like arithmetic can be abstracted away from calculators. “Concerns generated by our brains”, for example, breaks down when we try to instill morality into a FAI that might be profoundly non-human and non-person.