Oh I can see it now...
"Honest Mrs. Branson, it's not me!" as the child lowers their arm from having given their teacher TheFinger.
"No ma'am, my dog didn't eat my homework, my RoboArm let the magic smoke escape & set my stuff on fire."
"Johnny! Put Timmy down Right This Instant! It's WRONG to dangle your classmates by their throat for merely offering a different opinion. Set! Him! DOWN!"
What could possibly go wrong?
*Ducks the robo punch from off stage right*
HA! Miss-
*Gets taken down by the robo punch from off stage left*
Owwwwwww...