Amy Lawrence weighs in on the hypocrisy of English mores and Wenger decries the mentality of awarding the ceremonial instead of the courtesy. It is a puritanical trait and a peculiarly English one.
Shake your hand is like a get out of jail free card. Those four letter words can all be taken care of at the end of the match with a perfunctory hand gesture.
In this case the media jumped over a non gesture and now Wenger is dubbed a poor loser because he failed to assuage Hughes guilt.