Huge role.
In some states, private prisons have a "required occupancy quota." If the prison is below that occupancy, then the state has to pay the prison corporation a penalty per empty cot.😮
And these corporations lobby against sentencing reform and decriminalization.
https://eji.org/news/private-prison-quotas-drive-mass-incarceration/
They lobby against it, in part because the most profitable prisoner, is not a career criminal. It's a hard working, honest, non-criminal Black person with a family that loves them.