Unless their hot wallet was always empty (and how could it be, since it's by definition used for operations), there is no way they can say all of their coins ar

Unless their hot wallet was always empty (and how could it be, since it's by definition used for operations), there is no way they can say all of their coins are safe and none are missing. It's all they can say unless they know 100% for sure what was taken and what is safe.