One thing that makes these employment numbers a little questionable is that car manufacturers are mostly component assemblers, with differing amounts of compone

One thing that makes these employment numbers a little questionable is that car manufacturers are mostly component assemblers, with differing amounts of components made in-house vs bought from other companies which may be US companies or might not be. I know this is true for a lot of things, but my occasional experience with the auto-industry gives me the sense that it is more true for the auto industry than other places.