Earlier quoted context omitted.
They don't understand it, because what you're quoting as a behavior is pretty standard anywhere in the world. That's why companies protect their secrets from low rank employees. Except if you're arguing that western companies are bound by stronger ethics, in which case I'd like to see some evidence.
If a low ranking employee in Cincinnati divulged corporate trade secrets, they'd be tried and convicted. If a low ranking employee in Shanghai did the same, what can the US company do? Not much. So it's a low risk activity, that is also actively encouraged and in many cases financed by the Chinese government. This is in no way intended to be disparaging of folks who are of Chinese descent, but rather a reflection of…
Then a step further from that, sure there are laws to prevent you from wholesale lifting corporate data and bringing them out as you leave, but as many laws it will be extremely difficult to detect and prove that happened in many low profile cases. That's why instead of just relying on the law you'll lock usb ports monitor network activity and get laptops returned when someone leaves.
It's kinda like preventing shop lifting, you know it will happen at some scale.
> US company / Chinese gov
How much leverage do you thing a Chinese company has to if a three letter US agency spies on them and pass the info to US companies ? And would you argue that scenario wouldn't happen if a specific Chinese company had a decisive advantage that could severly hurt US interests ?