Ahaha you're kidding, right? Google sits on more interaction data than anyone and a 100bn gold mine and reinvests a significant amount of money back into impro

Ahaha you're kidding, right? Google sits on more interaction data than anyone and a 100bn gold mine and reinvests a significant amount of money back into improving Search, which is not a solved problem, and your question is why a few hobbyists haven't recreated it?