Every Anti-Missile-Turret on a blueprint will be set to "fire at any target" is spawned as an AI ship (pirate).
Due to this any Kind of Missile defende on a pirate ships is useless.
Combined with These two bugs:
http://phab.starma.de/T287
http://phab.starma.de/T286
Every pirate can be killed with rockets from any distance which is Kind of pointless
How to reproduce: spawned pirates with missile defense turrets -> will not fire at missiles, Bobby AI setting of turrets set to "any"