The Social Psychology of Morality, a forthcoming book from the Psychology Press, has a chapter on the interaction between "high moral purpose" and scientific integrity, and takes a brief look at the work of Stephan Lewandowsky, including this summary of the great man's work:
Understanding when people are and are not persuaded by science is an interesting and important area of research. But this curious case highlights the threat to scientific integrity that can stem from high moral missions. The notion that skeptics believed something so silly as the faking of the moon landing is yet another myth essentially concocted by the researchers.