They could move across countries/providers if you think of different use cases: devices on airplanes, boats, weather balloons, long range drones, shipping packa

They could move across countries/providers if you think of different use cases: devices on airplanes, boats, weather balloons, long range drones, shipping packages, luggage, etc. Having a device not tied to a certain provider could allow a shipping container to pass between different owners without needing a proprietary device/plan.