It isn't asinine at all, at least when considered in light of the investigative process. "Data was purged" is a fact. Now, you still need to put that in context

It isn't asinine at all, at least when considered in light of the investigative process. "Data was purged" is a fact. Now, you still need to put that in context, and that context includes hundreds, if not thousands, of other facts. Only then should LE say "It is time to come with us."