Pinker maintains that evolution follows a branching, rather than linear pattern. Many species develop concurrently, each with their own survival instincts. Humans, and their survival instinct of language, are just one branch of the evolutionary process rather than a pinnacle rung.

Holding the belief that we can, or might someday communicate with animals creates empathy, which leads to humane treatment of animals. A belief that animals cannot communicate with us due to inferiority leads to a sense of dominion over them.

This is also a pattern of belief and behavior that is seen with regard to humans who are perceived to have inferior languages or grammars. They are somehow less human, and therefore less deserving of humane treatment.

Pinker states that it is ridiculous to attempt to teach human language to animals. They are not biologically configured for human speech or sign. They have no need for human language as...
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