It does have lights that come on and that plate that moves so it has some electric components, and this would be a way to deal with those annoying guys that set up with flak jacket, tac mask, trophy systems and claymores sitting behind a shield with a Remington. Just to be clear, it should knock the shield down and can be picked up off the ground same as when the person dies,not destroy it outright.
Time magazine's Man of the Year in 2006! Really. Google it if you don't believe me.
Seeing as the EMP 'nades do enough physical damage to kill a wounded player (i'm assuming from concussive shock?) it's not that unreasonable an idea. Although it's more fun to get them in a Dance de la Muerte and distract 'em until one of my mates comes and kills him ;)