Researchers are employed by a university or research institution, and their salary is set on the basis of a collective agreement. The salary of researchers depends on the relevant professional experience.
Academics like to look down their nose at colleagues who are committed networkers. But they fail to understand that connections are essential for a successful career in academia too.
Yes, English is by all means the language of science. Less than one per cent of all scientific publications worldwide are today written in German. Despite this, there are still many good reasons to learn German.