Back in 1980, a Chilean bank ran a TV advert in which a man cycles across Santiago to meet his sweetheart. As he wobbles through the traffic, a bouquet of flowers in his hand, motorists, builders and school kids ridicule him. “Cómprate un auto, perico!” they shout – “Get yourself a car, mate!” The hapless cyclist reaches his lover’s house and hands her the bouquet. She gazes adoringly into his eyes. But then she sees…