This one is, at least, semi-justified - the vuvuzela and its even louder cousin have been taken to South African club football games for ages. It's just something to make a noise, and if you've got a three-foot horn made of old, melted-down tyres designed to scare gibbons off (and let's be clear, gibbons are psychopaths) then a certain type of person is going to use it at a football game.

Also, this clip should brighten vuvu-haters' collective day:
http://www.youtube.com/watch?v=zA0f1jKq83A&NR=1

That's right, Large Algerian Gentleman, clock him one upside his fool head.

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"Together we will build an empire of a million shining suns." -- Dave, Dictator of Utopia.