Right, the age differential is a huge problem and one we should spend time on. But this article isn't about how we take care of the elderly during this time of

Right, the age differential is a huge problem and one we should spend time on. But this article isn't about how we take care of the elderly during this time of adjustment (we all know that the age gap isn't permanent, it will stabilize as people die), it's about how we keep GDP growth high. I'm not comfortable setting new, higher norms for what's expected of workers (or of how much immigration we should be driving) with the justification that we're going into a 20 to 30-year adjustment window. We should figure out how we ride this out with the full understanding that it's temporary and then separately figure out what a new developed world with fewer native-born people looks like.