being labeled a machiavellian may as well be a label for 'maliciously self-serving', unless you're referring to Machiavelli's work on the 'Discoures on Livy' --

being labeled a machiavellian may as well be a label for 'maliciously self-serving', unless you're referring to Machiavelli's work on the 'Discoures on Livy' -- and no one ever is referring to that aspect of Machiavelli when labeling people with the phrase.