All the best techpocalypse stories start with a heavy dose of hubris and irony. I've always thought that if I ever got around to writing a fiction novel, it would probably involve IoT, like a nationwide blackout caused by an army of "smart" light bulbs gone rogue or something. But even that seems like a quaint plot device in an era when it's more likely you'll have mass power outages because people can't pay their electrical bills anymore because AI.
https://www.washingtonpost.com/business/2025/11/24/power-shutoffs-surge-electric-bills/