They're out there. It will be done. Innocent (or not-so-innocent?) victims will fall. Manhunts for those that deployed a hostile drone swarm, will be mounted. In most cases, perpetrators will be found & put behind bars.
Society goes on because decent people far outnumber the nutcases.
Military uses? Terrorists? Yeah war is gruesome. Try hard(er) to avoid getting into a war.
And the Hacker News title should be changed to the slop title in the article, "It's Not The Terminator. It's worse"
If someone with $200,000 wants me specifically dead, I'm going to die, one way or another. This tech doesn't substantially change the likelihood of their success.
If they want to cause a mass casualty event, there are already much easier ways. Once we tackle some of those, we can start worrying about this.