In my undergraduate engineering ethics class, our professor (who had an engineering and legal background) pointed this out in one of the first lectures and said

In my undergraduate engineering ethics class, our professor (who had an engineering and legal background) pointed this out in one of the first lectures and said “this is the first reason why I am not going to pretend to teach you ethics in this course. The second reason is that, even if there was clear set of ethics to follow, I am not going to pretend that this mandatory class will convince an unethical person to be ethical. What I will teach you is that decisions have consequences, and many of those consequences are bad for more than one party.”