Our nation's vital infrastructure - such as power grids and transportation hubs - becomes more vulnerable when individual devices get hacked. Criminals and terrorists who want to infiltrate systems and disrupt sensitive networks may start their attacks through access to just one person's smartphone.
There's no question in my mind of the value in technology in fueling young minds. Like any other tool, if you simply throw it in the classroom and don't consider how best to take advantage of that tool, and you try the old ways with a new piece of technology on the desk, it's no panacea.