I don't see why,
it's being complementary to rugby and a bit rude to football.
(Bazongaloid, Mon 11 May 2009, 14:47, archived)

But wasn't rugby originally invernted by the upper classes
While football was considered to start with the working class?
( Willwillwritehiswill An arse like a slapped face., Mon 11 May 2009, 15:41, archived)