We should have been warned. Visitors to the British Chambers of Commerce (BCC) website will be assaulted by two seriously big pictures of the Coronavirus SARS-CoV-2 particle. If the BCC were your parents, and you were their child aged four, they would be paying comic-book artists to design and paint, in gruesomely garish colours, the most hideous life-size monsters and sticking them to the outside of your bedroom door. Then they would usher you up to bed and turn off the electricity.