Not entirely true.You don't seem to understand the situation. This is like the EU being dependent on Russian gas. If the supply gets cutoff they are in trouble.
This is why the parts for the F-35 are heavily scrutinized. They want to make sure no part can be cutoff easily. That's why they were even testing the metal the magnets were built with. It was determined to be of an alloy ratio of Chinese origin.
German and Russia depends on each other and because of that it brings prosperity to both Germany and Russia.