Earlier quoted context omitted.
> If students aren’t engaged, they aren’t going to become star pupils once you take away their distractions That's a bit of a straw-man - nobody said anything about turning every student in to star pupils, it's a matter of degrees. There is no question in my mind that a device capable of being online, using social media, and that is constantly pushing information at you is going to be a higher level distraction than…
What if star pupils do better when given a laptop?
So the answer to “what if?” question is really just that students are ultimately responsible for their own outcomes, and figuring out that laptops are a liability is part of that.