Dark Patterns in A/B Testing: How Short-Term Optimization Leads to Product Enshittification

Optimizing for short-term A/B test wins using dark patterns can harm user trust and degrade product quality, as these tactics prioritize immediate business metrics over genuine user value and long-term satisfaction. Dark patterns, such as artificially degrading experiences, obscuring choices, or manipulating emotions, can lead to short-term gains but pose several long-term risks, including reputational damage, regulatory scrutiny, internal dissatisfaction, and competitive disadvantages. Although ethical guidelines and committees can help mitigate these risks, the most effective solution is to adopt metrics that reflect long-term outcomes and prioritize user trust and product enhancement. By focusing on retention, repeat usage, complaint rates, and brand sentiment, organizations can ensure their experimentation efforts align with creating real and lasting value, rather than exploiting users for temporary gains.