Reducing the stature and dignity of human beings to that of animals is the whole project of Darwinism or materialism, whatever you want to call it, in a nutshell.
Our care and treatment of animals arise from human duties, not conjuring rights for animals out of ideological zeal.
The failure to understand the gulf that separates humans from animals, and humans from machines, is a source of confusion to rival almost any other.
Our brains have vastly more ability than is needed for survival, most notably the capacity for language and abstract thought.
Hammering home the lesson about “our own evolutionary history” was exactly the purpose behind displaying and humiliating an African man with monkeys.