No, if inflicting pain produces better, more circumstantially adaptable decision-making capabilities, then I would agree. And when it does, it clearly is good.

No, if inflicting pain produces better, more circumstantially adaptable decision-making capabilities, then I would agree. And when it does, it clearly is good. That's why we evolved pain receptors: because it enables better decision-making capabilities. People who can't feel pain suffer plenty for it, and they live in real danger.