Did you read my comment?
The request can be fought in court, and the request does not give them access to actual contents. For example, they can NOT get the contents of an email.
Are you not aware that Apple has beaten the FBI several times in court and did not have to unlock an iPhone?
> In any case, I'm not sure that any of the protections apply to foreigners
This has nothing to do with citizens or foreigners. This is about companies. US Companies do not need to comply with US Government requests for information, Chinese companies MUST comply with ALL government requests to ALL information.