To disable the On-device AI go to settings and scroll down to System in here you will find it , it will remove the 3.96GB file and related files automaticaly if you do not want this feature .
There was a LMDE version, but I killed it off when interest was so low, there was also a Manjaro version and a few others, but since I made the LLStore work on every linux, I decided to only focus on the Mint edition and let anyone else just use LLStore to get the tweaks, tools, features and games they want using that.
In the video he says @1min 15s it is based off W10 IoT Ent. LTSC 2021 and that it will have updates till 2032, so you could assume it is updatable but he doesn't say explicitly that updates won't breake the mod.