What insight did Luke gain about people by watching Jen communicate with her chat room buddies in the book among the hidden?

In "Among the Hidden," Luke observes Jen's interactions with her chat room friends and realizes that people can form strong connections and support systems, even in a society that restricts their freedom. He sees how open communication allows individuals to share their thoughts and experiences, fostering a sense of community among those who feel isolated. This insight helps Luke understand the value of companionship and the importance of standing up for one's beliefs, inspiring him to think about his own role in the fight for freedom.