I’m Catholic-I don’t go to a church that promotes non-members as being wrong, or bad-I would never tolerate that-it is against the teachings of the God I believe in.
I do have a friend who goes to one of those self help groups that preaches that professional casemanagers-like me-are evil, and he thinks everyone outside the group is suspect and dangerous to his “recovery”, whatever that means. My professional experience tells me that this group is a cult, but far be it from me to point that fact out-talk about tribal behavior...
You don't consider the teachings of Jews or Moslems to be wrong? You'd be in a better position than me to know about your church, but I'd bet a lot of people there wouldn't share those feelings.