Such a purpose would inform the constraints. If we are just “the sims” on steroids, then all the deep physics are absolutely utterly faked and we are just “shown” convincing fakery. If it’s anthropological, then similar story that the physics are just skin deep. If it’s actually modeling some physics thing, then maybe we are “observing” real stuff.

But again, this is all just for fun. It’s not vaguely testable and thus not scientific despite the sciencey theme of it, just something to ponder.