alt Hacker News> asking Google to maintain a non-AI search engine is like
...is like asking your company to maintain its SQL database instead of shoving everything into a document the LLM reads and suggests edits to.
Even if you're using an LLM to talk to the user, there still needs to be some kind of deterministic search engine back there in order to do things well, or to answer any kind of question that involves information newer than X months ago.
There needs to be retrieval, but ranking can be fully offloaded to LLMs and they would probably do better. Legacy search engines do both parts, and their ranking is highly gameable judging by how SEOed they are.