This is not a criticism of Jane Goodall, but she comes from an earlier period of primatology/psychology/neuroscience when thinking was still very influenced, if unconsciously, by the idea that humans were essentially different from other mammals. Since then this idea, which is derived from the Abrahamic religions, has been steadily weakening as its premise is perceived as wrong.
In the 1960s and 70s it was still believed that it was rare for infectious diseases to cross between species, something which has turned out to be completely wrong.
The mere concept of chimp emotions being human like is the same fallacy as “man being descended from the apes”. It looks as if emotion preceded logical thought, and that our emotions, chimp emotions and dog emotions have much common ancestry, and have simply diverged as species diverged from the mammalian lineage.
(It’s actually worse than that because so much psychological research has been conducted on white middle class students that results in some cases may not be typical of the human population as a whole. Not only speciesist but ethnist.)
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