Good Design vs. Good Metrics: Why They Keep Fighting

They don’t have to be enemies, but pretending the tension doesn’t exist helps no one. I once watched a beautifully crafted onboarding flow lose an A/B test to a version that, by any design critic’s standards, was worse. Cluttered, inconsistent spacing, and a form that ignored half our usability guidelines. It converted 12% better. The room went quiet in that particular way rooms go quiet when a belief just got mugged by data. That moment has stuck with me for years because it forced me to think through a te