Swingers have a high divorce race. Their minds, relationships and characters are shallow.
Sure, they are creepy and I have never met a conservative one, they have all been lefty/libertarian types (hello..they are wife swappers!), but we are being told by the weirdo defending the practice, that most of them are conservative.
He doesn't have any evidence of that of course, but he does have a social liberal agenda that he wants to promote.