Quite frankly, it's justified to comment on what we view as a lack of faith. Like they can leave and attack the Church for it's policies, we can speak publicly about their lack of faith. No one is really an asshole, it's generally just what's done. It's that way with nearly every organization.

You quit a job and tell your family and friends about how shitty your boss was. Your boss tells his family and friends about what a shitty worker you were. Welcome to the real world.