IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

2 articles

02 Aug 2026 · 7 min read

ai-productivity

The AI Productivity Paradox: Why 98% More Code Isn't 98% Faster Delivery

Teams using AI coding tools generate 98% more PRs — and wait 91% longer for them to be reviewed. DORA data shows that for every 25% increase in AI tool adoption, team stability drops 7.2%. This is Amdahl's Law applied to software delivery, and the bottleneck isn't where most engineering leaders are looking.

29 Jul 2026 · 7 min read

Why AI Won't Give Your Team 10x: The Real Data on Developer Productivity

AI adoption is up 65% but PR throughput only increased 8%. The gap between AI productivity hype and measured reality is large and explainable. Here's what the data actually shows, why the 10x narrative is misleading, and what to measure instead.