Why some people should be banned
There are several things in the world he cannot tolerate. Like those who say 'at the end of the world' and use the word 'literally' when it is not end of the world or literal. He will not stand for anyone who grinds their teeth. Or blows their nose loudly. He absolutely abhors anyone that casually mentions their trips abroad, totally out of context.
He: Would you like a drink?
Abhorable he/she: I was in Australia recently
There are other minor irritants like those who look over his shoulder while he's reading a newspaper. Those who sing along with a song in a movie hall. Anyone who cracks knuckles or writes poetry or describes themselves 'unique, complicated, bundle of contradiction' in their blog profile. But the worst, the undoubted worst, has got to be one who reads the Reader's Digest.