LEO orbits degrade fairly steadily - without constantly boosting them back up they will de-orbit on their own. Because of that, they won't leave space junk in

LEO orbits degrade fairly steadily - without constantly boosting them back up they will de-orbit on their own. Because of that, they won't leave space junk in orbit. From how they describe these satellites, they will be small enough to burn up in the atmosphere and not cause any issues on the ground either.