I have to disagree, in todays internet-connected world cyber attacks are not insignificant. It is not inconceivable for an large-scale attack to e.g. turn off a

I have to disagree, in todays internet-connected world cyber attacks are not insignificant. It is not inconceivable for an large-scale attack to e.g. turn off an entire countries' electricity distribution, and that's more than most traditional weapons ever could do.