Was that the "Papal 'we'" you used in the last sentence above? I would think so, since not everyone is Catholic. And, since the "Papal we" is the Pope and God, I think God does what He wants with the world.
I don't know that you Americans use a different word for more than one person. We here in Europe say "we" when meaning more than one. Sorry for the misunderstanding.
You're better educated than I am. I'd always thought that a pluralis majestatis
means what it says: "the plural of majesty". And that it refers/referred to single person holding a high office, such as a monarch, sultan or religious leader the Pope, the Patriarch of Jesusalem, the Patriarch of Moscow, ... ....