Add <dronesDontNeedTargetsBecauseWehaveThemSetOnAggressive>false</dronesDontNeedTargetsBecauseWehaveThemSetOnAggressive>

to keep drones in space for those crazy enough to have drones on aggressive. keep in mind that drones on aggressive will get YOU concored when a noobship sucicides into you (your drones will aggress anything that aggresses you!)