Probably after Vietnam and Watergate, there was an increasing distrust of institutions, so that Jesus was still in, but the institutional church was no longer an attraction. So, I think that the dropping of the denominational label is to become more generic, less of a threat, less of a reminder of negative stereotypes if you've walked away from church.  -   Eddie Gibbs     Quotes
Probably after Vietnam and Watergate, there was an increasing distrust of institutions, so that Jesus was still in, but the institutional church was no longer an attraction. So, I think that the dropping of the denominational label is to become more generic, less of a threat, less of a reminder of negative stereotypes if you've walked away from church. Eddie Gibbs
 Distrust