It's obvious when it's pointed out in an article like this. It's less clear when it's one of many changes that could have been happening in a day, and it was an

It's obvious when it's pointed out in an article like this. It's less clear when it's one of many changes that could have been happening in a day, and it was an operation that was considered "safe" given that it had been done multiple times for other services in the preceding months.