Yes, it's very troubling that cars can be hacked remotely. (People with Chrysler vehicles that have the UConnect system should definitely patch the vulnerability, stat.) Yes, car companies should be building more secure vehicles. Yes, these companies should do everything they can to work with security researchers to find these flaws before the cars are out on the road, and to fix them if they make it out onto the road.

But there are going to be many, many security vulnerabilities in the Internet of Things, from planes to trains to automobiles. Some of these software vulnerabilities could kill you if exploited. Journalists and researchers have a flair for the dramatic (I personally love stunt journalism); they'll be tempted to demonstrate these vulnerabilities "in the real world," but that recklessness needs to be reigned in. Otherwise security-minded hackers may well be seen as the enemy, and, more importantly, someone could get hurt.