Gabriel tries to convince Vale that Lucas is not the ideal type. In real life, she was not a good match for Lucia and for that, she left him. Vale plays the apparitions of her dead friend.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.