When Vi enters the Monte Macabre film festival, he gets insecure about his artistic vision and decides to copy the work of others, but ultimately learns that staying true to yourself is what's most important.
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.