Mr Jack:
I think asking "what is the goal of morality" is like asking "what is the function of the retina"; both are evolutionary adaptions.
OK. In that case the goal for both, ultimately, would be survival.
The retina aids in survival because it does this or that thing that confers an advantage.
Morality aids in survival because it confers what advantage? It appears we've addressed it. Morality enables group cooperation.
If we're agreed on that much, we still have the question posed in the OP. We are asked what an evolutionary adaptation 'should' do.
Most people would say, I think, that retinas 'should' do the things retinas have been doing--that is, function in ways that confer an advantage. If a particular retina does not do this we speak of its impairment. We say something is wrong with the retina.
Morality, then, 'should' enable group cooperation for the purpose of survival. If it does not do this, we have impaired functioning. Something is wrong with the morality.
Is that fair to say? Thoughts?
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Edited by Archer Opterix, : brev.
Edited by Archer Opterix, : typo repair.