Silicon Valley is infamous at this point for running loss leaders to lock people into their ecosystem with the expectation of being able to milk people dry later. The fact that the services are "worth the money" doesn't mean it's economically in China's interests to allow for easy access to them.
Well yes but China has its own replacements that are worth even more to the purchasers because they are highly localized, to a degree that a multi-language global product would never be able to accomplish.
None of these transactions are zero-sum and tech isn't the only thing in the world that matters.