There is a slight contradiction in this line of argument. Why are currently more people of the total population employed than ever (at least in industrialized c

There is a slight contradiction in this line of argument. Why are currently more people of the total population employed than ever (at least in industrialized countries) and not less? Housewife isn't an option for women any more. All available human resources are seemingly needed to sustain the economy. Where are the robots which do everything better?