There will be legions of campaigners cheering Tesco’s woes. It turns out that they were right, and shoppers would abandon the retailing giant. Every analyst studying the current climate in supermarket retailing says the same about the trend: Tesco misread the changing behaviour of consumers, and now the “big box” out-of-town superstores, former huge earners, are under threat.The economic crash sent shoppers in search of cheaper food, and they found it not in the tempting halls of 5,000 lines offered by Tesco, but in simpler form at budget retailers Aldi and Lidl. When you feel hard up and afraid to waste food, the last thing you want to confront is a superstore packed with alluring choices, reminding you what you cannot have.From the one-stop weekly shop, we have moved t