The overwhelming exception fallacy happens when a rule is stated so broadly that it includes too many exceptions, rendering the rule practically useless. In online communities, this can manifest as unclear or overly nuanced guidelines, leading to confusion among members and moderators alike. By acknowledging and managing exceptions effectively, community managers can maintain clarity and uphold consistency without alienating members.
For example, a forum rule like "No promotions allowed" might include exceptions for specific industries, members with a certain status, or particular times of the year. If the exceptions become too numerous, the rule itself loses meaning. Clear communication and a focus on simplicity help avoid this pitfall.
In an online photography forum, moderators implemented a rule disallowing self-promotion. Over time, they made exceptions for members with over 500 posts, for promotional links during designated "Spotlight Weeks," and for sharing discounts during holiday seasons. Eventually, these exceptions became so extensive that members were confused about what was allowed. To resolve this, the moderators redefined the rule: promotions were permitted only during Spotlight Weeks for all members, making it straightforward and inclusive.