That makes no sense. It's almost as if you did not read the article. [i did not either =p, but it still makes no sense.]
The laptop has much more of a chance of being distracting. Pen and paper can and does, such as old school IM (passing notes), but its about killing the slippery slope.
I personally support all bans on all (personal)technology in a classroom setting. This includes phones, laptops etc.
What happend to the Socratic method of teaching/learning? =(