You know how that fellow turns up just as a housewife is about to do her washing, and offers her a fantastic new washing powder? She tries it and the whites come out whiter and the brights are brighter etc.
He comes to China too. But in China we don’t see a woman alone in her high-tech home, surrounded by washing and drying appliances; she’s in the street with her friends, and they each have their basins of water and piles of clothes. Like so much else, doing the family wash is a communal event. No wonder there’s no worries about hanging the washing up on poles over the pavement – everyone’s already seen your knickers as they’ve been washed, so what’s to hide?