Highly machiavellian people are ethically sensitive than are lower machiavellian people and agree with ethical policies or rules of behavior.

The term Machiavellianism is used in psychology to denote a personality trait which sees a person so focused on their own interests they will manipulate, deceive, and exploit others to achieve their goals.
Highly Machiavellian people are less ethically sensitive than are lower Machiavellian people and agree less with ethical policies or rules of behavior.

I will describe it as invalid