Its like complaining someone was murdered because they broke into a house. Simple solution - stop breaking into houses dummy, and then you don't have to worry about the, actions which are completely illegal and immoral, which follows.
No, this is like sears fighting shoplifting by sending assassins after shoplifters.
Yes, the pirates are breaking the law, but that doesn't mean the **AAs get to respond by breaking it in kind.
Two wrongs don't make a right.