Basically, that is the gist of the vid, the rest is more or less common sense, I guess.
A short & catchy variation of "Overpass turbo - a super powerful mining tool for OSM" would be a more appropriate title [0][1]. It exists since 2013 but got a massive boost from the Pokémon Go craze in 2016 [2].
[0]https://wiki.openstreetmap.org/wiki/Overpass_turbo
[1]https://wiki.openstreetmap.org/wiki/Overpass_API
[2]https://www.itechpost.com/articles/34612/20160930/pokemon-go...