The assumption I begin with in politics is that things come about because the people in power want them to. Who benefits must always be the question, follow the money that determines what happens. The perspective of all globalists and the European Union is that having many groups in constant conflict has a value beyond bringing in new cuisines. What is the value they find in it economically and socially? Lets start by looking at Theresa May's (the English Prime Minister) response to the murders on the London bridge by Muslim extremists.
Time - Read Prime Minister Theresa May's Full Speech on the London Bridge Attack.