I'm quite sure (and you could find it somewhere of course) that the Chinese models would've been fine-tuned for certain leanings and world views. Even so, at what point is even the quality risk (assuming your use case won't be affected by those adjustments) and any potential privacy concerns outweighed by the fact that it's literally an order of magnitude (and sometimes multiple, for output tokens etc!) cheaper than…
I suspect for many companies, the sunk cost of tokens relative to the output gain is low. The productivity gain we get from AI is such that using the latest Opus or GPT far outweighs the cost savings using a non frontier Chinese model. Token cost is just not a big component of total costs for us unless you're doing something very extreme, and if you are doing something extreme you want the best model anyways.
Maybe they'll penny-pinch later after running through their AI budgets?