WHY GUIS ARE BUILT AT LEAST 2.5 TIMES

Summary from the TLDR newsletter

Your mental model for 'what making software is' is extremely important when trying to figure out how to 'manage' it. A lot of what is essential for making great products will look like 'waste' when viewed through a manufacturing lens. When 'making software' is viewed as a process of discovery, developers behave completely differently - they might try to get something into users' hands as fast as possible or run parallel experiments in production with different versions. The goal isn't just to produce, but to find out what should be built.