I don’t know about USA, but many many Germans went there to work in rising automotive sector. The growth opportunities are insane while building future without internal combustion engines.
Dictatorship aside, the problem with Chinese companies is the glass ceiling. It is pretty much impossible to make a career there as foreigner. Very much unlike the US and EU.
I am pretty sure, you have zero chance as foreigner to make great career in EU. Though EU is big and diverse. About USA I don’t know. First thing I see is a big problem with visa.
Its the same everywhere minority will always have a ceiling or a stop on their ambitions. And off course there will always be exceptions everywhere.