Earlier quoted context omitted.
I'm guessing you've never been incarcerated? There's all sorts of volunteering: such as fixing the TV or coffee maker, teaching other inmates to read, helping another inmate file a frivolous appeal, and so on. https://www.npr.org/sections/thesalt/2017/07/20/538062911/wh... [What's It Really Like To Work In A Prison Goat Milk Farm? We Asked Inmates] But what do the workers themselves think? I find Jeremiah Pate in the…
The previous poster made a very obvious point that work is not voluntary when the alternative is punishment, which your post very helpfully illustrates as “sitting in [a] tiny little cell.” This doesn’t seem like a point that should require so much explanation for thinking people.
It's not like they're forced to work; and if they take the option, they're still under punishment doled by the justice system. So it's not immoral forced labor as long as neither the work or the jail cell constitutes "cruel and unusual punishment".