Standard procedure or not, regardless of their crimes: Being held in isolation without even access to books and things like that, if we go by the article, is ut

Standard procedure or not, regardless of their crimes: Being held in isolation without even access to books and things like that, if we go by the article, is utterly atrocious for a civilised country to inflict on anyone. It's not like we don't know that isolation and boredom are destructive to people's mental states. This seems like cruelty without a reasonable purpose behind it, hurting someone for the joy of hurting them.