> If I summon a desktop on screen 1 and it's currently displayed on screen 2, they should swap.

This is due to a limitation of X11 where a window can't be in two places at once. In theory, Wayland compositors can duplicate the desktop (at the cost of, like, not letting applications know their own window coordinates which seems pretty bad).

That's... fine, and a cool trick I guess, but I don't actually want that behavior.

> at the cost of, like, not letting applications know their own window coordinates which seems pretty bad

I'm pretty sure Wayland applications already don't know their coordinates.