A customer scans her phone as she enters Amazon's new Amazon Fresh store in Ealing, west London, on March 4, 2021. (Photo by Niklas HALLE'N / AFP) (Photo by NIKLAS HALLE'N/AFP via Getty Images)AFP via Getty ImagesIt promised to revolutionize the U.K. supermarket sector and introduced technology that meant shoppers could just walk out, but British shoppers instead have voted with their feet over Amazon Fresh.The online retailer that seemingly can do little wrong just cannot get grocery right and the 19 Amazo ...