Unless they're "participants" in an experiment related to McDonald's, it's probably closer to say they spend their life eating the equivalent of Soylent.
Though 1/3 of my meals are Soylent, so even that doesn't seem entirely terrible.
The food/diet component of their existence is really the absolute least of their problems.
Just knowing I'd have guaranteed food and housing would make my life less miserable than it is now. Oh, and I love McDonald's.
This is true. Everything held constant nothing changing and its far too cold. Its worse than being in US prison, somehow
by mouse life standards, they live like kings
You mean, by what some humans think is mouse standard.