I think this is the type of thinking that contributes to these kinds of problems. How can they feel equal or capable they grow up with the perception that their brains are not as evolved.They just can't handle modern society. My mum attempted to train an aboriginal lady in doing simple office work but she just wasn't capable of it. I honestly think that their brains are not as evolved as other races of people.
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I know plenty of indigenous people who are much smarter than the average person by the way.