Yes, ethical egoism is contrary to common sense morality.
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Ethical egoism is the principle that it is moral for a person to
act in their own self interest. Rational egoism is the principle
that it is rational for a person to act in their own self
interest.
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Psychological egoism is define as everyone always act selfishly.
(Factual Theory) Ethical egoism is define as everyone always OUGHT
to act selfishly. (Evaluative Theory)