It is not that the US need incarcerate any more of its populace. With 2% of the world's population, we incarcerate 23% of the world's total inmates
, mostly our own people. More than any country in the world, we keep inventing new ways to lock people up. Sometimes, it's the reinvention of an old way, taking us not just back to the 20th Century, but further back still. Debtors' prisons were abolished in the 19th Century, but the prison-industrial-complex has a plan.
In some states those owing money are rounded up and thrown in jail. In other words, in some places, it is now a "crime" to be poor, unemployed and in financial ruin. Recall that, according to the Weird Laws app, it's illegal to be broke in Illinois. Recall also that more than half of all bankruptcies are due at least in part to medical bills. Job loss is another major cause of unpaid debt.