As someone that has been part of costlier incidents in the past, no. Blaming people for an accident the system allowed is generally not useful. You fix the system so that the accident isn't possible.

Upon entering Mr Watson’s office the young man looked down and said, “Well I suppose you want my resignation.”

“You can’t be serious!” Mr Watson exclaimed, “We just spent 10 million dollars educating you! You’re not going anywhere!”

- Andy Stanley, “Next Generation Leader"

In Germany you would have problems firing someone over an honest and easy to make mistake.

I would hope not. Google should have a non-prod env for training like this.