If it's true that our species is alone in the universe then I'd have to say the universe aimed rather low and settled for very little.
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.
Poetry is the opening and closing of a door leaving those who look through to guess about what is seen during the moment.