Shooting at them has the risk of law enforcement action (destroying property, unlawful discharge of a weapon, reckless endangerment). Electronic interference r

Shooting at them has the risk of law enforcement action (destroying property, unlawful discharge of a weapon, reckless endangerment). Electronic interference runs the risk of FCC attention. But passive barriers (nets that are invisible to the drones' sensors) - now that doesn't have an obvious risk. They don't even have to destroy the drone: "Here, Amazon, this one seems to have something wrong with it!"