Scary? That thing is awesome. And totally not threatening. It would be able to hunt you for 10 minutes and then run out of battery. If it does catch up to you, you can always go up a stairs, or just kick it over.
AI is of course a serious concern. But this isn't AI, it's a robot.
> In labs everywhere, experimental robots would leap up from lab benches in a murderous rage, locate the door, and—with a tremendous crash—plow into it and fall over.
> Those robots lucky enough to have limbs that can operate a doorknob, or to have the door left open for them, would have to contend with deceptively tricky rubber thresholds before they could get into the hallway.
AI is of course a serious concern. But this isn't AI, it's a robot.