English and Instructions

But you're allowed to piss on the floor...

Perhaps because I am back in a country where I comprehend the aural and written language around me, but the English seem very big on instructions, particularly for the obvious.

On the coach down from Oxford, the bus driver told us twice in a half hour period at the beginning of the journey, that we should flush the toilet after use, and quite how to flush, and also why we should flush it...

Seeing as there was only one sign for a 1 km stretch of waterway, I'd amend that penultimate sentence to read "these signs are ineffective"...