I’m genuinely curious whether the outlier is the baby boom generation (extending to a lesser degree to the Xers). The macroeconomic factors that caused the boom

I’m genuinely curious whether the outlier is the baby boom generation (extending to a lesser degree to the Xers). The macroeconomic factors that caused the boomers to thrive are pretty extreme and unsustainable. Is there any reason we expect sustained growth in that degree?