It's obvious from the dramatic increase in homelessness and Americans' struggle to afford housing, healthcare, groceries, and other necessities that welfare and other programs aren't keeping up either, and while Democrats "dramatically" expanded the safety net during the height of the COVID crisis, it was only temporary and has mostly since expired even as the structural problems remain.
It's not that America isn't generating wealth, it's that the wealth isn't going to the people who need it.