Totally fair disagreement to have there. I’m extremely critical of llms for many of the same reasons as you, plus environmental and economical concerns. Having said that however for summarization, simplification, and rephrasing they don’t tend to hallucinate. Exactly as you say, they don’t know anything, but they’re instructed to always answer, so when something that doesn’t match their training data comes along they hallucinate. For this kind of task though a specialized llm is actually a pretty good fit. As long as such a tool is used responsibly and carefully I don’t see why it couldn’t exist and be moderately helpful.