> I don't know why the narrative became "don't call it hallucination".

Context is "don't call it hallicination" picked up meme energy since https://link.springer.com/article/10.1007/s10676-024-09775-5 on the thesis that "Calling their mistakes ‘hallucinations’ isn’t harmless: it lends itself to the confusion that the machines are in some way misperceiving but are nonetheless trying to convey something that they believe or have perceived."

Which is meta-bullshit because it doesn't matter. We want LLMs to behave more factually, whatever the non-factuality is called. And calling that non-factuality something else isn't going to really change how we approach making them behave more factually.