[...] so many of the world’s leading metropolises have turned sclerotic – socially stratified cages to keep the riff-raff out and the rest of us polishing our must-have Nespresso machines. In Paris, the poor are banished beyond the périphérique so that when they revolt, they destroy their own banlieues rather than the French capital’s fussily maintained environment. London’s key workers strap-hang on laughable trains from distant commuter towns to serve the wealthy before being returned to their flats in time for the de facto curfew each day. Manhattan island is today a pristine vitrine on which the lower orders don’t even get to leave their mucky paw prints, but inside which the rich get to fulfil with unparalleled freedom their uninteresting desires. [...]