If it were merely a search engine, it risks not being ai enough. We already have search engines, and no one is gonna invest in that old garbage. So instead, it finds something that you might want that’s been predigested for ease of ai consumption (Retrieval), dumps it into the context window alongside your original question (Augmentation) and then bullshits about it (Generation).
Think of it as exactly the same stuff that the LLM folk have already tried to sell you, trying to work around limitations of training and data availability by providing “cut and paste as a service” to generate ever more complex prompts for you, in the hopes that this time you’ll pay more for it than it costs to run.
Remember that actual physicists can fall into the same trap, and believe themselves to be very smart too. Plenty suffer an irresistible urge to fix every other field that’s doing it wrong.
As an alternative to the various xkcds on the subject, have an smbc instead.
https://www.smbc-comics.com/comic/2012-03-21