It goes on for the same reasons our bosses don't oppose people paying games on mobiles, going out for occasional beer during lunch or listening to music while o

It goes on for the same reasons our bosses don't oppose people paying games on mobiles, going out for occasional beer during lunch or listening to music while on work. While strictly speaking none of this should happen. Nobody minds because the overall nature of relationship is basically a kind of symbiosis, and throwing the rule book at every breath is neither possible nor feasible, and if done the interpersonal conflicts that come from it are far more trouble than the small pains from the act itself. The prison guards have nothing to gain from this, especially while dealing with a billionaire doing a totally harmless activity. On the other hand playing nice, keeps the system going forward in the direction they want. It's always better to control people through diplomacy than by force. It applies in all walks of life.