One basic difference between humans and robots is sustainability and resilience even when something goes wrong big time. In the evolution of mankind the number

One basic difference between humans and robots is sustainability and resilience even when something goes wrong big time. In the evolution of mankind the number of humans was reduced to several ten thousands and still we did survive as a species because the biology of reproduction makes us very resilient. Robots however need a vast infrastructure in to be produced and maintained which makes failure much more probable.