Earlier quoted context omitted.
"The stories we wrote and fantasised were about AI you could blindly rely on, trust, and reason about." Stanley Kubrick's 2001: A Space Odyssey - some of the earliest mainstream AI science fiction (1968, before even the Apollo moon landing!) was very much about an AI you couldn't trust.
that's a different kind of distrust, though, that was an AI that was capable of malice. In that case, "trust" had to do with loyalty. The GP means "trust" in the sense of consistency. I trust that my steering wheel doesn't fly off, because it is well-made. I trust that you won't drive into traffic while I'm in the passenger seat, because I don't think you will be malicious towards us. These are not the same.
In the followup 2010, when HAL's mission parameters are clarified and de-conflicted, he doesn't attempt to harm the crew anymore.
I... actually can see the 2001's scenario happening with ChatGPT if it was connected to ship peripherals and told mission > crew and that this principle overrides all else.
In modern terms it was about both unreliability (hallucinations?) and a badly specified prompt!