Yeah, their illusion of happiness was taken away from them, but the thing is, they couldn't have that illusion forever, and sooner or later it would happen anyway; as one escapee from the USSR described that system in one sentence, "The reason for your happiness is that you don't have a clue of how unhappy you are" ("Ваше счастье в том что вы не знаете как плохо вы живете")