It's always better to speak the language of the team. Not only for the direct contact with everyone - sometimes it also helps you to understand the mentality of the people in the team a bit better.
A German team could be quite good. But maybe they are a little bit too convinced that they are the best.
You can't always have the best team. It's always a compromise.
Maybe you could say that I had those cars because I was good and people knew me, and knew that within the team I can get the very best from everyone.
When I drove for British teams... they called me The Tadpole because I was too small to be a frog.