Individuals and political action committees associated with the defense sector contributed more than $27 million to political candidates and committees during the 2012 campaign cycle, in return they received billions of dollars in government contracts, and, among other things, the military intervention in Syria
Even if you cannot find a way to strike at these companies, the point is to inflict loss on the owners of those companies; and you will find that those who own majority shares in the weapons and aerospace firms also own majority shares in companies that are more accessible for you to target