Reading comprehension is important; in this case the word course relates to the path these folks took in their career. And yes, mandatory ethics courses are an

Reading comprehension is important; in this case the word course relates to the path these folks took in their career. And yes, mandatory ethics courses are an important part of helping people to understand the difference between unethical and ethical behaviour, especially if they can't or didn't learn that on their own. It's why ethics training is both offered and required in many professional roles.