But let's zoom up to the bigger syndrome. Notice the author quotes at least one offender, but doesn't bother talking to any corrections officers. Did it occur to him that someone who worked in a prison for 20 years might know a little bit more about corrections than someone who read a bunch of studies and statistics?
Symptomatic of a broader problem - the chattering classes, who consume and generate information, are increasingly cut off from the real world, and increasingly influential. Of course it's easy to have opinions about how something "should" work when you have no experience and no skin in the game.