Look at their Google Play services: Android and iOS get realtime, and web is relegated to using a REST API: https://developers.google.com/games/services/
To me that's a huge hole in their services currently that needs to be remedied as the realtime web becomes more pervasive.
If Google discontinues it yet incorporates the technology into their own products/platforms that is still a loss for developers who use/would have used Firebase.
Look at their Google Play services: Android and iOS get realtime, and web is relegated to using a REST API: https://developers.google.com/games/services/
To me that's a huge hole in their services currently that needs to be remedied as the realtime web becomes more pervasive.