But what will playing that card have as a consequence? Any technology having the slightest tie to China would be banned. That's very short of economical suicide. That one could only be pulled in an all out war. It's not a credible threat. I'd go with surveillance which is already good enough to get Huawei banned. But that's true of Cisco either...

That’s an obvious concern.

What tends to happen in authoritarian countries is that obvious concerns do not get raised, which is why they tend to make occasional disastrous decisions for their long term stability (e.g. “it probably wont be a good idea to imprison all the Muslims, we might make our trading partners mad”)