Read the article. Feels like Republican propaganda, even though it is not. The reason why scientists cannot find jobs is the lack of industry in USA. Industry is often employer for scientists (on-site chemists, physicists and so on).
A big problem with industrial employment of scientists is that the deliberate stuffing of the pipeline (e.g. by the NSF starting in the '80s) to keep the price of science labor low also lowers the income of industry scientists. Basic supply and demand.
Doesn't America have a more broadly based economy? I.e. a lot more raw materials extraction, food production (profitable, even! (vs. the CAP)), a bigger financial industry (hey, it's undergoing tough times but it's not without value), etc? Hollywood? Popular music?
I don't know the shape of the German economy at all well, but I've read it's very manufacturing export focused.