(season 8-10 spoilers) I just realized something about Susan and Finn

When Susan's implant gets activated and she grabs Finn and says "target acquired" it's because that was her original mission as revealed in the Islands mini series. I hadn't made the connection until my, like, 25-30th watch or so lol. I guess I just assumed it was because he's the only other human around. Did everyone already know this and I'm just super slow?

Edit: forgot to mention the episode, its Preboot in S8