A waiter brought his aperitif, which was a small scotch and soda, and as he sipped it gratefully he sighed. ‘Civilized,’ he said to Mr. Campion. ‘Humanizing.’ […] ‘Cigars and summer days and women in big hats with swansdown face-powder, that's what it reminds me of.’

...minor incivilities and yobberies...

How can the danger be averted?

They had all, to a man and woman, been rumbled, like so many Winnie The Poohs with their hands in Rabbit's honey pot.