Two thirds of Germans believe immigrants are an 'extra burden' which have caused 'serious problems' for the country | UPDATED: 14:33 GMT, 18 December 2012 Ulrich Kober said that Germany failed to grasp a culture of welcoming foreigners and overplayed its own attractiveness to immigrants Two in three Germans believe immigrants have caused 'serious' problems for the country's social services and schools. The poll – commissioned by the respected Bertelsmann Foundation think tank – shows two thirds of people say immigrants are an 'extra burden' on the country's social services system. Two thirds of people quizzed in the survey also believe that incomers are a source of conflict with 'native' Germans and cause problems