My dad was a prison guard. They throw feces at you, shank you, you hand them toothpaste and they shove it up their butt and laugh at you.
These are not weak Americans accustomed to civil compliance. Most of these prisoners have been trained to avoid successful interogation and the games played to soften them up may seem sadistic and unpleasant, but there is a method.
It is vital to our mission that we know everything they have up their sleeve. Our psy-ops guys know how to get it done without piling dead bodies up to the ceiling.
I would even hedge to guess that this may have been deliberately leaked for some end game purpose. Be patient, let's see.