A rare moment of public preoccupation has hit Hong Kong as a result of the incident which would in due course probably be called Messigate by the popular tabloids, if we had any left. The hero of this debacle is Lionel Messi, a footballer of sublime gifts who is now getting a bit long in the tooth. As footballers sometimes do at this stage of their careers, he has moved from the highly competitive European scene to the US of A, where the football is worse but the money is better. Not so much a swan song as a goose with golden eggs song. So, Messi now twinkles his agile toes for a new club call…