This is one service where I am perfectly fine if I never receive any notification
67 karma · joined April 27, 2015
The second was a more recent one where our app was discontinued from their playstore because they updated their SMS policies. All their communication were landing to my Bulk folder. Even HN has some horror stories about their 'couldn't care less' attitude.
Having said that, Google should surely address questions on pricing and supporting other key Mobile platforms like Xamarin. Tweeting to the Firebase handle on issues never get replied. With other bleeding edge services that Google provides, Firebase certainly has positioned itself nice. The teething issues should be small things to fix.