I don’t see why this is being downvoted. The title of the post should be changed...

nstj on Aug 2, 2018 | parent | context | favorite | on: How we spent $30k in Firebase in less than 72 hour...

I don’t see why this is being downvoted. The title of the post should be changed to “We were given a $30k credit by GCP after not monitoring our account charges”