But humans, even the smartest ones with great knowledge and experience in their field, make mistakes. Considering such a big outage last occured 13 years ago, I

But humans, even the smartest ones with great knowledge and experience in their field, make mistakes. Considering such a big outage last occured 13 years ago, I think it's perfectly normal for an experienced entity (whether a human or more likely a team) to make a big mistake in this time window.