Considering Penny Arcade's readership, he might as well have equated it to walking on the moon for the first time. For many of PA's readers, his description will be about as effective as trying to describe the color blue to a person born blind.
Would the light on the DS4 reflect on the TV screen? Like when you're playing a dark game? I wonder if you can turn off the light when you have no need for the PS Eye features.