Think correlation, not causation. Programs that can get away at all with not having a manual aren't going to be the most complicated ones. Kinda like how algo

Think correlation, not causation. Programs that can get away at all with not having a manual aren't going to be the most complicated ones. Kinda like how algorithms with O(N³) complexity have a reputation for being the most likely to screw you in production. It's not because O(N³) is worse than O(exp N), it's because O(exp N) will be noticed in testing whereas O(N³) is likely to have okay performance in testing and blow up with real-life inputs.