Just as we reject racism sexism ageism and heterosexism we reject speciesism. The species of a sentient being is no more reason to deny the protection of this basic right than race sex age or sexual orientation is a reason to deny membership in the human moral community to other humans.
I believe dreams represent the purest form of fantasy we unleash through our subconscious. They represent the truest freedom we can experience. Totally unrepressed and totally creative.