The point is, iiuc, the only rest state is rotating and at a particular rate at that. That's quite a bit different than coasting, which could have various diffe

The point is, iiuc, the only rest state is rotating and at a particular rate at that. That's quite a bit different than coasting, which could have various different speeds (or ~none) depending on the amount of inertia in the system—but I think even that is removed here.