Folks are very critical. Consider: this is the worst they will ever be. You improve one robot at one task, they all can share that training. It will only get better from here.
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This is probably what people in the 18th century thought when they saw that digesting duck automaton [1]. Technological progress isn’t a magical linear thing that always leads to things getting better over time.
There’s some very hard problems to solve before the promises made here can be made true, and it’s not a given that they will or even can be solved. Building the robot was never the hard part.
Do you know something about the brain that makes it impossible to replicate its functionality technologically?