Advertisers are easy enough targets at the best of times: a car manufacturer is trying to persuade gullible Poles that its new car can see around corners. (Cretinous slogan: “C’mon” – in English of course, though it’s a German firm operating in Poland.)

But when they supply the ammunition themselves… Here’s the slogan of one ad agency: “Wyobraźnia pod kontrolą” – “Imagination under control.” And they call it a creative industry.