Arguments In Blackfish

. Throughout the whole documentary, there is an underlying assumption that every empathetic and sane person should agree that animals should not be held captive. This helps build the argument because as an audience member, it is difficult to be the only one not agreeing with something. There is also an underlying assumption that the audience does not know much about marine life and the dangers of captivity. Based upon this assumption, the documentary educates the public, without being condescending.
Ethos is also used to establish authority and a persuasive argument in Blackfish. Each speaker in the documentary believes strongly in what they are saying and is confident in their argument. This gives the audience the illusion that the messages