Efficiency is important, but if all the benefits of the efficiencies accrue to the rich, we're not "all better off". Plus, GDP per capita doesn't capture some

Efficiency is important, but if all the benefits of the efficiencies accrue to the rich, we're not "all better off". Plus, GDP per capita doesn't capture some very important aspects of of what makes people live better lives, eg job security, not being afraid of health issues, leisure time, etc.