I did the detailed scanning thing once, because I was curious about it, but it was so insanely detailed that I didn't find it worth the time, and it was pretty obvious Niantic didn't need that much information for a game. I can't claim to have figured out THIS angle at the time, though.
Dvandom
This might be one of the most insane scandals in game history
When Pokemon Go players scan PokeStops, theyve been unknowingly building a detailed visual model of the world which is being sold to a military contractor to build a no-GPS positioning for the new generation of unmanned killing machines