In 2003, right before a few new nations entered the European Union, the EU had set up several websites, where people from the new, soon to be, member nations could inform themselfes about each of the current EU member states.
The document describing Germany mentioned, under the chapter "Employment", that 80% of all jobs in Germany get distributed via social connections. Now I am still in shock and it may be, that this includes the employment office, but the chances to get a good job, as either an immigrant or a socially marginalized person, is low.
So, bringing socioeconomics into play is totally acceptable.
I do not think one should reject any social privileges one has, but one also should respect, that this is not the case for everybody and do something about it.