Why’s he not building it now, then? He has the means.
If such a demand exists, should we not be seeing an active “secondary marketplace” for people offering to do 15-minute human meta search & research tasks?
A human can always do better: take Google's results, then remove SEO spam/duplicates, extract more relevant snippets, combine results from multiple nearby queries, etc.
Demand exists, but someone has to build it. And it's unclear how big the market is.