The 40% productivity gain came with an invoice. Nobody read it

The productivity numbers are real. GitHub Copilot, Cursor, Claude Code — these tools genuinely changed what a developer can ship in a day. Engineering teams saw their sprint baselines recalibrate upward by 40% within two quarters of adopting AI coding assistants. That is not marketing copy. That is what happened. What also happened: more than 80% of developers now report feeling burned out. Nearly half have considered leaving the industry entirely. These numbers exist in the same timeframe. Th...