So, everyone is worried about a fleet of drones attacking. I've seen some interesting drone flight formations for Chinese celebrations at night which indicate

So, everyone is worried about a fleet of drones attacking. I've seen some interesting drone flight formations for Chinese celebrations at night which indicate to me that they could be controlled, perhaps, by AI, to search out and attack incoming hostile drones. Imagine facing a fleet of the drones from, for example, the movie Oblivion.