I cannot understand what all the fuss is about. It is most obvious that the steward picked people at random to check as it isnt practical to check everybody. In the stewards defence I would have probably checked the same on the assumption that the easiest cover is a child.
When I smoked...
Has a terrorist, which is what you could have been dressed as a football fan, never used a child or childs toy to smuggle a bomb or similar into somewhere? Provided the search was polite and dignified I see no cause for complaint. Sooner that than some prat set a bomb off in the stadium.