User blog comment:Argorrath/Gearbox declines Activision's offer to develop a game of Call of Duty/@comment-72.130.172.109-20130113192730/@comment-1187559-20130115174614

So they slapped them in the face by implementing a perk and killstreak system that Call of Duty 4 made popular? And that's not deemed copying? Just because it doesn't 'feel' copied doesn't mean it isn't.