Yes, refusal to work leads to more punishments that border on human rights violations.

> they are required to work or face additional punishment such as solitary confinement, denial of opportunities to reduce their sentence, and loss of family visitation, or the inability to pay for basic life necessities like bath soap.

Solitary confinement is already a human rights violation. It isn't close to the line, it's well over it.

Yes, the American system is extremely good at turning short sentences into long ones for petty things. That’s very profitable for the prison industry.