I see how this could be useful, to roast agents while they are debugging or building something.

Is the misspelling of Nietzschean as "Nietzschian" intentional?

Unfortunately, in <current year> "AI" seems to mean "chatbot assistant". So, by "anti-AI" the author meant "the thing that acts the opposite of how you would expect a helpful chatbot to act".

Yes, I hate this usage of the term "AI" too.

So a markdown file is debugger now?

Could be just use a skill i think

It's usually spelled "Nietzschean," I think.