80,000€ benefits, but migrants don't feel like working in Germany

The Bavarian Deputy Prime Minister Aiwanger (Freie Wähler) labeled people who could work but do not want to and instead receive social assistance benefits as “idles”.
This caused outrage among the establishment. Yet it was only at the end of October that the RTL channel broadcast a program about an Afghan family who had extorted 80,000 euros in benefits from German taxpayers for two years and simply “didn't want” to work.
This question must be allowed: what service do such people render to Germany?
Proponents of illegal mass migration like to talk about social justice. However, it is not fair to make hardworking citizens work 8 or more hours a day and then hand over a large portion of their hard-earned money to the state so that it can use it to support people around the world who refuse to work .
This is exactly what is happening in Germany on a large scale – and on a planned basis, as the old parties consistently refuse to take measures to stop the uncontrolled immigration of economic migrants into the German social system.