1. The growth of ad blocking is driven by unrestrained advertising that has led to increased page clutter, interruptions, and data collection, causing a decline in user trust and attention to ads. 2. Ad blocking is more akin to climate change than an "adpocalypse," growing gradually due to these issues rather than suddenly. 3. Principles are needed to guide the next 20 years of online advertising, including publishers feeling the consequences of bad ads, rather than just advertisers, and prioritizing long-term sustainability over short-term gains.