> Human backup is not possible because of human resourcing This is an artificial restraint. In the end, it comes down to risk management: "Are we willing to pa

> Human backup is not possible because of human resourcing This is an artificial restraint. In the end, it comes down to risk management: "Are we willing to pay someone to make sure the system stays up when the computer does something unexpected?". Considering this bug only showed up no, chances are there was a project manager who decided the risk would me extremely low and not worth spending another 200k or so of yearly operation expenses on.