Your "wrong" example is not so extremely far fetched. Somewhat related reading:

http://www.scientificamerican.com/blog/post.cfm?id=scientists-say-free-will-probably-d-2010-04-06

Substitute "free will" for religion and you can see that people's morality will be affected by focusing on something they can't even define or does not even have a clear meaning. The author of blog posting seriously ponders whether publishing scientific findings on the human behavior can adversly affect the morality of the "less classy" majority of the society. :)