An AI startup spent more than $1 million to advertise on New York City’s subways — and New Yorkers simply aren’t having it. Posters for Friend, a necklace style device that listens to your entire day and sends you push notifications, were defaced with warnings about the dangers of AI. Vandals took sharpies to the ads, which went up late last month, scrawling messages like, “AI wouldn’t care if you lived or died” overtop utopian slogans. Our tech overlords might want to intrude even deeper into our lives, but is wearable AI where people finally say enough is enough? Perhaps...