They are not incorrect. They don't even hold a position in the first place.

An LLM continues the prompt it is given. What is more likely to come after a question? An answer, not an "oh sorry I'm not sure". Sure, you could make the latter more likely, but then the model would be unusable. Larger models simply contain more answers, more ways to stumble into them, and a granular enough geography to stay on the trail.