Generally I don't care what a person does unless it is directly or indirectly affecting me. I prefer to remain as non interventionist as possible because attempting to control others is a waste of my time. Because of that the only religisists I've ever really had to deal with are those who want to control others. I don't have much sympathy for the rest however, as the only excuse the majority of them are usually willing to give is "well we're not all like that." Well, if you're going to make the choice to wear the label of a group then you are responsible for everything done in the name of that label, good and bad. If you are not gong to take action to preserve and promote the goodness of the label by purging those who misuse it with some form official excommunicatory process that strips that person of any association with that label then it means you are compliant with their actions and their actions do represent the label. Thus even the best christian or muslim or etc are no better than the rape jihadis or abortion clinic bombers if all they do is go "well we're not all like that."
Are there some groups within those religions that attempt to do that? Yes, and I'll respect them on that basis. But there still lies the fundamental problem of group identity. An oxymoron, a group is made of individuals and thus groups have no identity of their own. Thus feeling an emotional need to define oneself as part of a group is also an oxymoron, you can only define yourself as yourself. By your own intents, actions and choices. No one else can take credit or blame for those no matter how much someone may want them to.
By this logic, many people are religious because they are bad and would be bad even if they weren't religious a well. If both those things are true, then what's the point of religion? What does it bring to the table that enhances the process? All I see is a group identity waiting to be the scapegoat of someone's dick moves or stealing indirect credit for legitimately good things done by some other random person in the group.