Is there any discussion of impact of savings rate? I am saving with the assumption of having 0 social security. If all stays well, I'll maintain my lifestyle of

Is there any discussion of impact of savings rate? I am saving with the assumption of having 0 social security. If all stays well, I'll maintain my lifestyle of upper middle class post retirement. My parents did the same, because we actually had 0 social security at their time. We are continuously increasing the efficiency, with improvements in AI/Robotics ... we should be able to reduce the inflation in cost of living.