The distinction seems useful, but consider that each of both terms have been defined in many different ways by many schools of thought along the milennia. For

The distinction seems useful, but consider that each of both terms have been defined in many different ways by many schools of thought along the milennia. For Aristotle, Ethics was the way your parents raised you and the moral compass that education has provided you, either rational or not. So not what you expect after reading the article.