After being out of touch for so long, Akechi calls the office. Kobayashi complains to him that Hanasaki is acting weird, and Akechi tells him, "do to him what he did to you."
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.