IMO they have. Google maps (at least on Android) now shows me traffic incidents reported on Waze, and it will route me around these incidents in real time as I'

IMO they have. Google maps (at least on Android) now shows me traffic incidents reported on Waze, and it will route me around these incidents in real time as I'm driving somewhere, e.g. "A faster route has become available. Say 'OK' to take this route."