Probably more a matter of convenience. His current broom broke and he had the drone handy. A replacement broom would mean a trip to a store, plus the money fo

Probably more a matter of convenience. His current broom broke and he had the drone handy. A replacement broom would mean a trip to a store, plus the money for it, plus the time to still do the sweeping. Had he started with the drone, yea that's just questionable.