So far, the much touted AIs cannot even hallucinate convincingly. They are good for authoring bed-time stories, or political speeches, but not anything that requires truth, such as selling secondhand cars.
My wife (teacher) uses the standalone educational version of MS Office on her laptop PC and it works fine. Internet access is sporadic, so an online version would be a pain in the derrier.
Yup - I definitely need a LLM to control the six valves of my garden sprinkler system and the one thermostat of my home heating. Then it can figure out what to do when the wifey complains 21C is boiling hot and 23C is freezing cold.
The Naval shock and vibration specification has a 9G shock requirement and I have measured 7G shocks in practise. There are special cable loop shock isolators for that.