alt Hacker News> "Dumb beyond belief" doesn't perform at the gold-medal level at IMO.
Idiot savants are still idiots even though they are exceptional at some things. A person powered by an LLM and no human intelligence would absolutely be classified as an idiot savant.
Explain how entire subreddits full of humans have been fooled into talking to bots, then. If you tell an LLM to act like a human, that's what it will do.
For that matter — you might be talking to one now!