With regular search, I have to look through all kinds of results before I find something, and often I have to adjust my search parameters until the search engine even understands what I'm looking for.
The AI still needs me to actually confirm what it's saying, but that's checking 1-3 links, not entire search result pages.
It's also just waaaaay easier to talk to my search engine in natural language than keywords imo. I never know what keywords get me to my intended destination, I guess the difference is less big for people that do.