AP Photo

Many of our UK-based readers will be familiar with the so-called Muslim Patrol videos posted online earlier this month. The videos feature some young Londoners, presumably Muslim, approaching and intimidating passers-by for drinking alcohol or dressing the wrong way in what they claim are ‘Muslim areas’. The videos are filmed in Whitechapel, east London, whose population is 40% Bangladeshi, and have made an immediate splash not just in London but further afield. Understandably, many of those watching the videos have expressed outrage. Far more problematically, some also perceive this harassment campaign as the latest evidence of Europe’s gradual take-over by ‘non-Europeans’ and nasty foreigners. This raises the question of what the producers of these...