How do you do a performance review for that job? What would "success" look like? Failure could be determined easily: When Skynet starts eliminating humanity, y

How do you do a performance review for that job? What would "success" look like? Failure could be determined easily: When Skynet starts eliminating humanity, you can be pretty sure your ethicists have failed, right? So as long as that is not happening, they're doing a good job?