It's kinda hard to mis-interpret this stuff. I guess they think Christians need to view their specific sin as acceptable, or in some special category - worthy of special dispensation to be allowed. Ya know Leviticus is an old book, but it also states that lying, murder, stealing, adultry, incest, and a whole host of other sinful behavior is bad & unacceptable. I guess just because it's old don't mean what it says needs to be ignored.