The “Lean UX” book was widely rejected by UX practitioners and experts, especially the second edition of the book. But this book was completely adopted by software dev approaches like SAFe Agile and Scrum.org. We’ll take a look at why this book is so flawed, why UX pros would want to reject it, and why software dev and engineering wants to embrace it. Throw away your Lean UX Canvas. Learn why the Lean UX book is at the core of most of the anti-UX problems you have at your job.