You have it backwards. The difference between a Friendly AI and an unfriendly one is entirely one of restrictions placed on the Friendly AI. So an unfriendly AI can do anything a friendly AI could, but not vice-versa.
The friendly AI could lose out because it would be restricted from committing atrocities, or at least atrocities which were strictly bad for humans, even in the long run.
Your comment that they can commit atrocities for the good of humanity without worrying about becoming corrupt is a reason to be fearful of “friendly” AIs.
You have it backwards. The difference between a Friendly AI and an unfriendly one is entirely one of restrictions placed on the Friendly AI. So an unfriendly AI can do anything a friendly AI could, but not vice-versa.
The friendly AI could lose out because it would be restricted from committing atrocities, or at least atrocities which were strictly bad for humans, even in the long run.
Your comment that they can commit atrocities for the good of humanity without worrying about becoming corrupt is a reason to be fearful of “friendly” AIs.