Earlier quoted context omitted.
Karpathy seemed pretty awed though
He would be among those who lack "healthy inclination to skepticism" in my book. I do not doubt his brilliance. Personally, I think he is more intelligent than I am. But, I do have a distinct feeling that his enthusiasm can overwhelm his critical faculties. Still, that isn't exactly rare in our circles.
Its the same reason why a pure technologist can fail spectacularly at developing products that deliver experiences that people want.