Most people in London don't care because they are not English and have no connection with the thousands of years of history the city and country have. Only a third of the population has any connection at all to the London of the 1950s, never mind the 1100s. They are not stakeholders in its heritage, the explanation is as simple as that.
I don't see anything in the article claiming this will damage the efficiency of London's food supply chains; indeed I wouldn't be surprised if it improved them.
