“Fleischmann, who heads the Bavarian state archives in Nuremberg, said a review of newly published prison records reveals that Hitler and fellow members of the Nazi Party were treated much more favorably than socialists or communists who were also incarcerated for staging a coup several years earlier.” This isn’t that much of a surprise. We already knew that his stay at Landsberg prison was closer to house arrest than what a common prisoner would have experienced. He and his co-conspirators were seen as defenders of the fatherland and were widely admired as such.

Source: Records show Hitler enjoyed special treatment in prison – Yahoo News