Why LLMs can't handle everyday social etiquette in Persian:

Reading between the lines, this is a really good caution for any diplomats who are thinking of firing their interpreters and replacing them with "AI".

https://arstechnica.com/ai/2025/09/when-no-means-yes-why-ai-chatbots-cant-process-persian-social-etiquette/

When “no” means “yes”: Why AI chatbots can’t process Persian social etiquette

New study examines how a helpful AI response could become a cultural disaster in Iran.

Ars Technica

It looks like a situation where careful deterministic programming by someone with some understanding of both sides of the transaction should work.
Two matching modules might work even better.
They might even help people who find that difficult a little.

Throwing books about other things into a bucket and picking out scraps does not seem a superior approach.

#deterministic