I feel Machiavellian theory is more that some times terrible acts are needed to bring about "good" or necessary or worthy outcomes and should be accomplished to

I feel Machiavellian theory is more that some times terrible acts are needed to bring about "good" or necessary or worthy outcomes and should be accomplished towards those ends, but that the terribleness of the actions is in no way cleansed or justified by a worthy outcome. You might murder someone to protect a bunch of other people but you're still a murderer. 'Heavy hangs the head that wears the crown.'