Even if it&#x27;s true that humans are too dumb to crack AI from first principles -- which as I said is certainly conceivable, and which Hsu alludes to in the quote you&#x27;ve selected -- he&#x27;s not basing that on the infinite-dimensional space description in the second paragraph.  The point of the second paragraph was just to caution against concluding it&#x27;s an easy problem based on the abundance of intelligence around us.