My father – who is now comfortably into his 80s – recently recalled a Chelsea football match he attended in the 1950s. Stood at the back of a stand at Stamford Bridge, when the home side banged home a goal all the fans cheered and threw their hats in the air. I dread to think how long it took to reunite each piece of headwear with the correct owner, but such a scene seems unthinkable today. Now, if a goal is scored then the celebrating players are more likely to be hit with a wave of abuse and hurled objects by opposing fans than anyone risk losing a valuable piece of clothing. Have you seen t…