that just screams "I don't know what this technology is and I am too afraid to use it" to me personally. Don't use it as a source of information if you don't want it to spew hallucinations to the user? There's about a million other uses for LLMs.
Ok. But in browsers ?
Search datasets still are not really semantic search, and I'd wager many require online search if they required a well structured dataset, or a dumbed down query.
You only have to look to the relative popularity of something like Arc browser to determine there is a market for such things.
< 0.01% is not demonstrating a market