Yeah, that's where people forget the line between cult, religion, and party.
When you are part of a religion/faith or party, you can be open to other ideas or respectful of other positions. If someone says something to you, you don't react with rage and anger.
When you are part of a cult, you have no room for other views or beliefs. Not even in a thought experiment. You will react violently (more than likely) to an opposing or different view point. And will often seek to eliminate that view point. And that's not a euphemism nor a metaphor. By eliminate I mean kill.
Now, that being said, some cults are peaceful on first glance and at its base. However, almost all cult leaders are psychopaths and will lie, cheat, steal and rape/murder to preserve their cult and power.