„Second, fewer Americans view important social institutions – such as religious organizations, corporations and government – as having a positive impact in society. In the mid 1970s, 68 percent of Americans said they had “a great deal” or “a lot” of confidence in churches and other religious organizations. By 2016, this number had dropped to 41 percent.
Third, religion has a bad brand. From sex scandals across different religious traditions to the increasing association between evangelical Christianity and the political right, religion per se has taken a beating.”
http://religionnews.com/2017/01/24/the-changing-nature-of-americas-irreligious-explained