While I agree the hypothetical scenario was a bit extreme, there's always that "what-if".
I would MUCH rather have someone toss out a crazy hypothetical, by virtue of brainstorming, than wait for someone to try to sue a great guy like rcompart through a crazy lawsuit because a 'freak accident' happened.
I'm sure no one ever thought a child would use a hairdryer as a bathtub submarine, but now we have warning labels affixed to every cord. Warning labels are simply printed tombstones advertising the 'freak accident' that some unfortunate soul had in the past. Which, at one time, was probably unthinkable.
Think about it... we have federal warnings on mattresses. How deadly can those things be?
Give dwight some wiggle-room. He knows his stuff. And he was simply trying to consider all worst-case scenarios for the OP.
I call that looking out for one-another, if you ask me.