The risk is not completely negligible, no one actually claims that. However, it has to be weighed against concerns such as climate change and fuel security. Mor

The risk is not completely negligible, no one actually claims that. However, it has to be weighed against concerns such as climate change and fuel security. Moreover, my impression was that in this case it wasn't so much that these drones present a safety risk, but that they are worried that they are being used to gather intelligence.