Pointless signs and pointless announcements

This from Captain Deltic...

Whilst on the subject of Pointless Signs, what about Pointless Announcements?

Has anyone ever seen any passenger get up and 'familiarise' themselves with the safety notices following pre-departure announcements?

UPDATE: This from the Warton Wizard...

At Leeds we have:

"Due to today's wet weather surfaces may be slippery when wet" even when it's sunny

"It is an offence to trespass on the railway, please keep off the tracks"

"This station operates a no smoking policy"

"Security staff patrol this station 24 hours a day"

plus a ludicrous one about a left luggage facility as well as many, many more.

Perhaps Eye should start a feature called Railway Gob-Shittery?

An excellent idea, thank you Warton Wizard.

Have you examples of fatuous announcements, railway gob-shittery or pointless noise pollution? If so send them to Eye at the usual address.