On that basis, you shouldn't trust any chip on any piece of hardware out there, ever.
It's also not "me" speaking on authority, I'm merely going by what the actual authorities and responsible people are saying [0]. I mean, this was months ago, still no actual samples of that chip, still no CVE out about any of it.
We've (the "community"?) have been trying to build/have built phones without baseband backdoors/hardware killswitches, chips without Intel Management Engine, etc.
Feel free to check out those threads if you've missed them.
This isn't about a specific case, by the way. This is the reality of the state of chip production.
It's also not "me" speaking on authority, I'm merely going by what the actual authorities and responsible people are saying [0]. I mean, this was months ago, still no actual samples of that chip, still no CVE out about any of it.
[0] https://www.theguardian.com/commentisfree/2018/oct/13/tech-g...