I think you misunderstand what Recall actually does. It takes images of your screen and then you can query it. Images, text, graphs, etc.
"Hey, I was working on an automation for my home assistant and it stopped working. I had an automation that worked about 6 months ago. Can you pull that automation up and show me"
"My boss showed me a slide about a month ago talking about the TPS report, can you pull that up and show me that slide deck?"