> the feeling is that all the world risks getting into nuclear war because of one "madman".
Which, from a game theory perspective is exactly what he would want you to feel. If people don't believe he will press the red button, then the red button doesn't deter anyone and there is no nuclear deterrence.
We did not believe he was going to invade Ukraine, although the US did warn us weeks or even months in advance. I'm not going to make the same mistake again and prepare for the worst.
Which, from a game theory perspective is exactly what he would want you to feel. If people don't believe he will press the red button, then the red button doesn't deter anyone and there is no nuclear deterrence.