Nobody expected G4 to blow up the way it did, so there was this running theme of not really hammering out the logic of the worldbuilding.
In this picture, the armour of the guards meshes with the Art Deco environment so well
that nobody even questioned it.
It was someone’s job to figure out how a horse would hold a smartphone. The fact that a phone appears in promotional materiel tells me that they’ve put a lot more thought into the worldbuilding, and that they have confidence in the results.