Or the drones are a simple way of messing up all targeting systems. If you ever made a Carrier fleet in Starcraft 1 (where massing units was a thing), the swarm

Or the drones are a simple way of messing up all targeting systems. If you ever made a Carrier fleet in Starcraft 1 (where massing units was a thing), the swarm of carrier drones would force the enemy units to target those little thing instead of the main units.