Here's a silent profit killer: your domain isn't verified and your Aggregated Events aren't configured — so every iOS user who opts out of tracking becomes invisible to your ads. Meta optimises on guesses, your reported conversions undercount reality, and you make budget decisions on broken data.This is the unglamorous foundation work that every serious advertiser needs after Apple's privacy changes. Without it, even perfect ad creative underperforms — because the algorithm is learning from a fraction of your actual results.