1. Decreased Customer Loyalty: Customers who feel neglected are less likely to remain loyal to your brand. 2. Negative Word of Mouth: Unsatisfied customers are more likely to share their bad experiences with others. 3. Legal Consequences: In some cases, ignoring complaints can lead to legal issues, especially if the complaints pertain to privacy violations or misleading advertising. 4. Lower Engagement Rates: Ignoring complaints can lead to lower open and click-through rates, as disgruntled customers are unlikely to engage with your emails.