They're the highest paid auto workers in the world right? That's not really the point though. It's the effect on the economy if they're all out on the street. And even more, as above, the ripple effect through the supply industries.
This is from back when Ford first started the assembly line, he had a very high turn over rate because mechanics did not want to just put one part on every day, so he had to pay them more to stop them from quitting.