So by "I made the same thing months ago" you didn't mean "an article about the great pigeon census" (your link is created May 6) or "an encyclopedia of hallucinations" like the OP, but just "an encyclopedia with some articles AI wrote". What's the point?
What's the difference between an encyclopedia that produces AI articles on demand and an encyclopedia that produces AI articles on demand?
If you think that's all the Hallucinopedia is, you're misunderstanding it.
One hint – check out its prompt, and how it makes its articles so different than those of your project: https://news.ycombinator.com/edit?id=48042306