Right, but that’s not what we’re talking about here - we’re not saying “Hey LLM, write a convincing sounding legal argument for X”, we’re saying “Hey LLM, here’s a massive block of text, summarize what you can and give me references to places in the text that answer my questions so I can look at the actual text as part of building my own convincing sounding legal argument for X.”
It’s the difference between doing a report on a topic by just quoting the Wikipedia article, versus using the Wikipedia article to get a list of useful sources on the topic.