It already is a local archive that can be searched independently, but the LLM does RAG and is, according to them, 95% accurate. It can be useful if you don’t remember where to find a source/what words to search for, but even a durable device with Kiwix would be useless in a a lot of survival situations people imagine.

Undoubtedly useful in the right contexts, particularly for local repair or homesteading, but “survival” does imply that this would be more useful in an SHTF situation.