Maintaining morale is just as important as maintaining readiness, unhappy troops get preoccupied with being unhappy and stop worrying about being ready. Great link and it's good to see evidence that those who have been assigned to the worst duty are able to cut loose and vent!
I can explain it to you but I can't understand it for you.
"Any man who thinks he can be happy and prosperous by letting the Government take care of him; better take a closer look at the American Indian." - Henry Ford
Corruptissima re publica plurimae leges; When the Republic is at its most corrupt the laws are most numerous. - Publius Cornelius Tacitus