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.
[0] https://www.theguardian.com/commentisfree/2018/oct/13/tech-g...