Moe thought he was untouchable because he invented Las Vegas. As spin off of Bugsy obviously.

You have to understand, that men like this, are kings of their domains. They dont see a threat the way you and I might. They only see potential threats as obstacles, while they reign as goads on Earth. That is the life.

And that is why is it difficult for a civilian to understand or to associate with men of this stature. They hold court like the kings of old, where a slip of a word, a wrong gesture, spells life and death.