This has potential as a story/comic/movie:

Most knowledge has been lost in the post-Apocalyptic world. Google doesn't exist. Books are destroyed. The only thing that remains is a local hosted llm model you have running on solar power.

Kevin: "Hey, what's this mushroom I managed to forage? It kinda looks like a button mushroom."

AI: "Hello! Very observant of you! This mushroom IS of the button variety. Their nutritional value is above average for a mushroom. Would you like me to provide you some recipes that incorporate buttons mushrooms? "

Randal: shouts from across the room "Kevin! How many times have I told you to stop wasting our energy with that stupid thing. "

Kevin: "Yeah but we could be eating really well tonight. "

Randal: sighs "the last time you listened to that thing's cooking advice I had the runs for days"