Altruism is just another reason proposed by Unconscious egoists to explain their acts
Unaware that their actions are dictated by selfish desires.
They truly believe that their actions are fulfilling some higher causes that they consider above themselves.
And that’s in fact in the same field as the ones who act to fulfill they’re ego. The only difference is the acceptance of the redpill.
As a conclusion we can say that Moral agents ought to act only in their own self interest