An interesting story told by a Soviet émigré:
… By then, I had already met many Americans for whom “anti-Soviet” was almost as much of a pejorative as it had been in the pages of Pravda, the official newspaper of the Soviet Communist Party. My favorite was a man in the café at the Rutgers Student Center who shrugged off the victims of the gulag camps by pointing out that capitalism kills people too—with cigarettes, for example. When I recovered from shock, I told him that smoking was far more ubiquitous in the Soviet Union, and anti-smoking campaigns far less developed. That momentarily stumped him.
My mother was also at Rutgers at the time as a piano instructor. She once got into a heated argument over lunch with a colleague and friend after he lamented America’s appalling treatment of the old and the sick. She ventured that, from her ex-Soviet vantage point, it didn’t seem that bad. “Are you telling me that it’s just as bad in the Soviet Union?” her colleague retorted, only to be dumbstruck when my mother clarified that, actually, she meant it was much worse. She tried to illustrate her point by telling him about my grandmother’s sojourn in an overcrowded Soviet hospital ward: More than once, when the woman in the next bed rolled over in her sleep, her arm flopped across my grandma’s body. Half-decent care required bribing a nurse, and half-decent food had to be brought from home. My mother’s normally warm and gracious colleague shocked her by replying, “I’m sorry, but I don’t believe you.” Her perceptions, he told her, were obviously colored by antipathy toward the Soviet regime. Eventually, he relented enough to allow that perhaps my grandmother did have a very bad experience in a Soviet hospital—but surely projecting it onto all of Soviet medicine was uncalled for.
The thing to do, if interested in swaying another, is to follow up by grounding simple facts in an interpretive framework. I try to do so on this site, as well.
In the above example, had the lady wanted to convince someone of the horror of Soviet life, the effective combination is to give them facts, but also a short book of basic economic theory.