You are incorrect, if I remember my Bill of Rights correctly.
Amendment 8: Excessive bail shall not be required, nor excessive fines imposed, nor cruel and unusual punishments inflicted.So, if you wish something different, you may need to fly against the will of the Founding Fathers.
You should have a look at what they considered not “cruel and unusual.”
To them, hanging was NOT cruel and unusual. Neither were the stocks, or whipping pole.
TO us, no TV, and a little overcrowding IS cruel an unusual.
I think we have seriously misinterpreted “cruel and unusual.” What they meant were cruel and unusual PUNISHMENTS.
You know: disembowelment, impalement, burning at the stake, pressing (piling stones on top of a person), boiling in oil, the boot, stoning, etc.
All things considered, solitary confinement is pretty benign.