It wasn't one mad moment though was it? He deliberately hid medical notes over a long period of time. Supposedly told someone he would do something that would change aviation. He Knew his career was over if the truth came out about his health. All points to he planned this and it didn't happen on the spur of the moment.You can't pick the most notorious cases to prove a point which at this stage isn't provable, or compare one moment of madness (if that's what it was) with a sustained campaign of evilness executed over many years.