As Karnage said, for every technological development, there are countless workers who lose their jobs or change their jobs, and of course this is the time when resistance is the strongest, as confirmed by several technological innovations in history. Standing in the local time, all do not want to see the human beings appear distressed because of the change. But in the long view of human development, the enormous productivity and creativity of technology is not localized, it is used to drive the future. If you were living in 1840 and your friend was working as a rickshaw, and his job was going to be lost when the automobile came out, you might be against the automobile. Now, from the perspective of the present, do you oppose the emergence of the automobile?