"It's terrifying," the article ends.

Yes! Even without vigilantism, when society places a great deal of trust in you you are supposed to live with a certain level of fear that if you abuse that trust society will impose upon you life-destroying consequences.

It feels like it should be terrifying for Silicon Valley too, another group of very rich and powerful people who tell themselves that everything they do is for the benefit of society while actually most people make their bread and butter on technology whose benefits to society are quickly consumed by anti-competition and that familiar attitude of overwhelming negligence towards human harm where it is caused.