I can understand not having much sympathy for criminals (not as individuals, but as a generic group) but a worldview that abolishes pity for underclasses (e.g. https://news.ycombinator.com/item?id=17630121, https://news.ycombinator.com/item?id=17630115) is going to take a little more explaining before a sizable number of HNers embrace it.
Does "I'm not among them" not suffice? Sheesh.
But yes, there is an additional element of public policy discussion, particularly whether we should be cautious of the wider consequences of seemingly no-strings-attached contracts. Not everyone shares your clearcut perspective on what amenities convicts should have access to. But the bulk of these costs are borne by the families of these convicts, who are generally not morally culpable in their family members' crimes.