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There's a bit in Terry Jones' "Starship Titanic" where an alien gets caught in a traffic jam on Earth, and explodes "your transportation system is so poorly designed! when more people use it, it goes *slower*! you should design it so it goes *faster*— to accommodate the extra load!".

It's funny because the former seems like the obvious, natural way transportation works, and the latter seems to require magic alien future technology.