Of course this is a bit of an argument by analogy, but I think it is fairly good.

FORBES: Must Earl Grey Collect Sales Tax From Captain Picard?

Though nobody used this analogy, I understand the government argument to be: just as we are not going to recover by asking Siemens to make mops and buckets, we are also not going to recover by selling high-end machine tools to pensioners in Potsdam.

ECONOMIST: European politics