Most of the population are poor. The system funnels money in one direction while the fundamemtal cogs of society are on minimum wage and struggle to afford housing.
The debt to GDP ratio isn't sustainable
https://www.google.com/amp/s/www.cnbc.com/amp/2018/07/26/3-charts-that-show-why-the-us-should-stop-ignoring-its-debt-problem.html