Fun story, driving through Croatia toward Split Google Maps kept telling me the main freeway was closed and to take each and every exit. Someone is maliciously reporting roads closed. Obviously the same could happen to OSM, but there isn't the same 'no way to fix it until Google decides to fix it'.
Similarly when I was in Bangkok wandering around, Google wanted to cross the train tracks at a road that tripled the walking distance to the destination. In reality it was possible to cross the train tracks (i.e an actual crossing, not just anywhere). Worse it was much more dangerous to walk the Google route.
Fixing it on OSM was easy. Fixing it on Google was a pain because it had to be submitted and checked and approved (which it eventually was).
There are definitely places where OSM is far outstripping Google maps. Especially when it comes to non-roads.
As far as I know, Waze has their own map data, and is a subsidiary of Google.
Their Wikipedia page mentions that
> Waze continuously insisted to crowdsource data without using external sources or projects like OpenStreetMap that would restrict commercialization of the Waze map data.
