The lockpicking lawyer reviews the StopBox, an expensive chamber lock that encloses the trigger of AR-15-style rifles, and confirms that you do not need his skill and experience to defeat it. This is because it has only six possible combinations. He shows how any "curious adolescent" can defeat it simply by mashing the buttons.
Surely the point of the lock is to meet some state regulation or insurance mandate or range safety rules without really doing what it's supposed to? Hanlon's Razor notwithstanding, kudos is in order: someone is selling the bittersweet thrill of malicious compliance to gun nuts for $140 a pop.