The problem I see with this "cover for each other" theory is that as it stands having a good search engine is a prerequisite to having good outputs from RAG. If your search engine doesn't turn up something useful in the top 10 (which most search engines currently don't for many types of queries) then your llm will just be summarizing the garbage that was turned up.
Currently I do find that Perplexity works substantially better then Google for finding what I need, but it remains to be seen if they're able to stay useful as a larger and larger portion of online content just AI generated garbage.
Currently I do find that Perplexity works substantially better then Google for finding what I need, but it remains to be seen if they're able to stay useful as a larger and larger portion of online content just AI generated garbage.