Two issues with heresy hunters: (1) a divisive uncharitable attitude over secondary issues needing gentle correction toward unity; (2) the real possibility they are right — total openness to correction with zero self-defensiveness is required.

Mike says addressing a divisive attitude directly while maintaining body-of-Christ unity is appropriate. But absolute openness to being wrong on something is essential. The only questions worth asking: Is there truth here I can learn? Can I help this person?