I remember the exact moment I stopped trusting fast AI answers. I was debugging a payment processing issue, asked ChatGPT for help, and got a beautifully confident, completely wrong response back in about two seconds. No hesitation. No caveats. Just wrong, delivered with full authority. That's the old model. Instant answer. Confident tone. Occasionally terrible output. Here's what I've learned after 25+ years of building software: fast is not always better. The best engineers