If by hollowing you mean the reduction of the size of the middle class, it is because it has become richer, not poorer over time, so I don't think your take is

If by hollowing you mean the reduction of the size of the middle class, it is because it has become richer, not poorer over time, so I don't think your take is right. https://www.pewresearch.org/race-and-ethnicity/2024/05/31/the-state-of-the-american-middle-class/re_2024-05-31_american-middle-class_0-03/ https://www.pewresearch.org/race-and-ethnicity/2024/05/31/th...