Therac-25? That's normally taught as a safety and correctness issue, not an ethical issue. What exactly is the ethical lesson from Therac-25? Always use hardwar

Therac-25? That's normally taught as a safety and correctness issue, not an ethical issue. What exactly is the ethical lesson from Therac-25? Always use hardware interlocks when building machines that can kill people? Don't be over-confident and believe user bug reports? There were lots of lessons to learn from Therac-25 but I'm not sure any of them would be classified as ethical.