She was angry at Peter for keeping this secret and for his involvement in her father's death. Anna Maria Marconi also volunteers to come with because she has studied both Kaine and the drug. Kikuchi says that he aced Gran Turismo and should be fine. She was just a nice person. This trope is why Predator and Reaper drones work so well. This is true of every robotics competition; the best teleoperators are gamers.