Because it has no idea if it's spouting bullshit at the moment or not. And that doesn't seem to be addressable as long as the model is just stringing together

Because it has no idea if it's spouting bullshit at the moment or not. And that doesn't seem to be addressable as long as the model is just stringing together the next most likely words as it learned them from some huge dataset. The answer "i don't know that" will always be rare, because nobody sits down and writes a blog post about how he could not find the solution to a problem.