That's an interesting possibility. I think where one stands on this partly depends on how much about the technical approaches to AGI we can learn from the brain

That's an interesting possibility. I think where one stands on this partly depends on how much about the technical approaches to AGI we can learn from the brain. The brain does seem to have a weird mix of specialization and flexible generalization -- e.g. we generally have a bunch of the same specialized areas for various functions -- but also, neuroplasticity seems to show that other areas can often pick up those functions if necessary (the most extreme cases being after something like a hemispherectomy). So we have specialized areas but also at least some of the underlying mechanisms are perhaps relatively general.