Most engineering schools have classes about engineering ethics. When I was an undergrad in UC Berkeley, we not only had an ethics class (called "Social Implications of Computing") but also every single class had ethics sections, e.g. if you're working in a mission critical OS don't forget what happened to Therac-25, if you're writing ML Algorithms don't forget what happened to Uber etc... These were actual parts of classes, mentioned by professors. I think ethics is a very important part of both engineering and being a human being. You cannot make bridges and not be responsible if they collapse. You cannot make an OS and not be responsible if a bug kills bunch of people. Similarly, you cannot write fraud software and go by your day because that's what your boss ordered you to do. Engineers are highly skilled workers and we must have enough consciousness to deny doing a job if it's not ethical. Otherwise, it's just banality of evil.