The real funny Thing is, that first everybody can see the inequalities in the world, second the changing climate, third devastating wars and fourth the well known tendency of humans to escape dangerous situations by flight.
And still the film "The March" ( by William Nicholson, 1990) (In English: http://laurencejarvikonline.blogspot.de/2015/09/life-imitates-art-march-bbc-tv-1990.html ; In German: http://malteherwig.com/Artikel/nicholson.html ) and others didn´t give enough warning to Change some things in the politics earlier.
In Germany we asked foreigners to come to work here as Gastarbeiter since the 50ies. It was stated Long ago that not workers but human beings have been coming. Still the German policy is not anticipating any Problem regarding Immigration but only reacting when they ultimately are forced to react.
Problems especially for the social, educational and health System - particularly psychiatry because a lot of posttraumatic stress disorders (PTSD) that need Treatment - are predictable.
Similar examples are known from other countries. How can we come out of this vicious circle?