Robert Mariani in The New Atlantis:
Dread gives way to the cold stab of terrible certainty as it hits you: they aren’t people. They’re bots. The Internet is all bots. Under your nose, the Internet of real people has gradually shifted into a digital world of shadow puppets. They look like people, they act like people, but there are no people left. Well, there’s you and maybe a few others, but you can’t tell the difference, because the bots wear a million masks. You might be alone, and have been for a while. It’s a horror worse than blindness: the certainty that your vision is clear but there is no genuine world to be seen.
This is the world of the Internet after about 2016 — at least according to the Dead Internet Theory, whose defining description appeared in an online forum in 2021. The theory suggests a conspiracy to gaslight the entire world by replacing the user-powered Internet with an empty, AI-powered one populated by bot impostors.
More here.