Wow, what an eye opener. Have a look at this article.

"o matter what your attitude toward swinging is, it’s a safe bet The Lifestyle will offend you. If you’re repelled by the sight of doughy, pale, liver-spotted bipeds engaged in sloppy sexual congress, well, there’s enough of that on display here to put you off your feed for weeks. But if you’re a Left-leaning, sexually tolerant sort, there’s plenty here to make you squirm, too; the subjects of The Lifestyle are not the broad-minded, pioneering souls you might wish them to be. They are, instead, conservative, back-yard barbecue types—plain suburban folk with middle-aged physiques and middle-aged attitudes, not at all unlike your aunts and uncles . . . except, of course, for their willingness to happily share said physiques with a roomful of their neighbors. One particularly chipper swinger tells us about the untapped political power of the thousands across the nation who engage in what initiates call "the lifestyle"; they share remarkably consistent politics, and if they ever voted in a bloc, he tells us, they could elect the next president. Given the attitudes displayed by some in the film, that prospect chills the blood"......


http://tinyurl.com/m4bmq

They sure don't sound like conservative prudes to me.