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This is not really correct. Humans make systematic errors of judgement (bias), which is reflected in texts. But you could still imagine an AI unbiased, "perfectly modelling" this "biased" data (retrieving the "true model" behind this data).

Not that I endorse this article either.

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Your comment has me pondering. Is there such a thing as an unbiased human experience, let alone an unbiased human utterance? Everything we do is informed by the past, however indirectly and outwardly unpredictable.

> you could still imagine an AI unbiased, "perfectly modelling" this "biased" data

Imagining something is different from building a working system.

In beginning physics courses, students learn the fundamentals of Newtonian mechanics using frictionless point masses, but no one has built one for the students to use in the hands-on labs.

If bias goes into a model through the training data, bias will come out when the model is used.

The only unbiased models are untrained models, which are not very useful.

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