A game of words can only be played by agreeing on rules, i.e. definitions. Altruism, by design and definition, requires a denial of self, e.g. "selfless" or "unselfish". Can anyone choose a behavior without giving preference to their own choice?
The statement, "I want to be unselfish", appears contradictory in that it imlpies I want to act without regard to what I want.
The statement, "You ought to be unselfish (like me)", appears equally contradistory by expressing a 'selfish' desire for others to act without regard to what 'I' want.
The definition of 'evil', as that which causes harm or destruction or misfortune, implies that any attempt to practice contradictory behavior is evil, whether self imposed, or imposed on others.