Adding repos can just be done inside a Toolbox, or even as Overlays. Grub can also be edited and changes applied to immutable OS’s like Bazzite/Kinoite. I’d definitely say give it a shot on a non-daily driver machine and see how you like it. Having the option to mess with the underpinnings can be nice- but not having to has a lot of value as well.
Oh baby, time to proselytize the masses of Lemmy and introduce a whole new set of suckers to “Fido”. It’s zombies with big Fallout vibes and is unironically one of the best C to B tier movies I’ve ever seen. It’s the kind of movie where it looks like everyone involved was just having fun with it, ya know? Check it out and make sure to let me know what you think!