I haven't tried LLMs myself, but even completely made up garbage would be better than today's search engine results.
You either get advertisements for things that have nothing to do with what you're trying to find or you get privacy preserving links to sites that have nothing to do with what you're trying to find.
Same reason people get their WiFi from their ISP Modem+Router combo, even though it's stupid to do so: People often confuse initial convenience for good.