I believe individuals should study ethics as it is guidance to view different point of views. What might be right/wrong to one person might be different for another. With the study of ethics, one is able to provide others with reasons for actions and give meaning to questioning when it comes to others’ values.
For mostly ethics are through family and society norms, what one learns as they grow. Or the society they live in.
I personally believe when one learns what is the right and wrong way of life, it gets challenging to change their views. I don’t think one who has high ethic moral will just become overnight someone else who has different ethics. It takes time, for the individual to judge and compare.