You might say that as a psychological reality, a moral theory is unlikely to be successful unless people believe its adoption tends to promote good consequences.
But there’s nothing logically that would require moral theories to ultimately dissolve into actions that promote good consequences… Kant’s categorical imperative famously forbids lying or sparing murderers capital punishment regardless of whether the whole world burns as a result.
You might say that as a psychological reality, a moral theory is unlikely to be successful unless people believe its adoption tends to promote good consequences.
But there’s nothing logically that would require moral theories to ultimately dissolve into actions that promote good consequences… Kant’s categorical imperative famously forbids lying or sparing murderers capital punishment regardless of whether the whole world burns as a result.