If I have to check each reference, what's the added value compared to just giving me a list of links (i.e. a good old search engine)? Chat search tools are onl

If I have to check each reference, what's the added value compared to just giving me a list of links (i.e. a good old search engine)? Chat search tools are only useful if (when?) they achieve a 99.99% reliability (I'm fine with one mistake per 1000 searches).