I suspect they're referring to "dead internet theory"[0], and extending the metaphor to zombies in that internet content will still appear to be written by huma

I suspect they're referring to "dead internet theory"[0], and extending the metaphor to zombies in that internet content will still appear to be written by humans/be organic, but will instead be AI slop. [0]: https://en.wikipedia.org/wiki/Dead_Internet_theory https://en.wikipedia.org/wiki/Dead_Internet_theory