If they were to engage in war in reality as if in the gaming realm, disregarding the value of their own lives, it could easily lead to unnecessary casualties. Also, mental relaxation is crucial to prevent war-related syndromes from developing. Hence, this kind as subconscious hypnosis and training are necessary. They won't remember any of these upon waking, but it does wonders for their mental health.
However, Finn Lewis doesn't require this. His mental strength is too formidable, these treatments were child's play to him. Moreover, Finn has gone through experiences far more taxing, if not more brutal than theirs, hence he promptly left the premises.
Finn, having left the site, dressed himself and headed towards the door. As he neared the door, it was swung open from the outside. Two T1000s sporting military uniforms were on guard outside. On seeing Finn emerge, they promptly addressed him with reverence, "Young Master."
