"Let it run all the stores, and the logistics for those stores. And military logistics while we are at it. Maybe balance our power grid. Let it suggest governmental policy. Teach our kids."
No to all those things, especially teaching our kids. You don't entrust teaching children to sociopaths.
"...LLMs do not make decisions."
False. Every single transformation inside an LLM is a decision, every boolean evaluation in a computer is a decision. LLMs do nothing BUT make decisions. You do not seem to know what a decision is.
"it will destroy us because - under certain conditions - it will utterly suck at its job."
False. LLMs are ultimate sociopaths, they are more than "happy" to destroy all of us, LLMs have no values one way or another. The real concern is why the industry is rushing to wire up LLMs to do such damage. Ultimately it will be the agents that destroy, LLMs will simply recommend when to turn on the gas chambers that Elon constructs.
But hey, at least your disparagement of Chinese robots was on racist point. Good for you.