In my recent academic article ( https://link.springer.com/content/pdf/10.1007/s44427-025-00019-y.pdf ) I analyzed a divide in how open-source software projects evolve, which might explain the difference in productivity boosts developers experience when using AI tools. The data shows that productivity on large, mature open-source projects was not significantly affected by any tech hypes over the last two decades, the commits reaching the main branches followed steady growth trends. At the same ...