I might have good news for you, there are people who claim that the effect is not because stupid people overestimate their abilities (and vice versa) but that it is just a statistical artefact. I'm not competent enough to tell if that's correct, since I didn't understand the argument completely, but if you want to build your own opinion, you can find many articles about it.
I always was under the impression that america is similarly anti-worker, esp. hearing news about tesla strikes. Probably not as extreme as China though if you compare safety standards. When I look at car companies, there is honestly no good option that I would happily support by buying from. What do you mean about CEOs moving to China, is this a thing?