But it's the perfect definition because it shows what it is. The output is a hallucination in what it thinks you want, which you can use for better form prompts or the like.

To say "it only hallucinates sometimes" is burying the lede and confusing for people who are trying to use it

Q: How do I stop Hallucinations? A: useless question, because you can't. It is the mechanism that gives you what you want