,,I was also unable to convey why some things take more time than expected during modelling or software development'' For a business it doesn't matter why you

,,I was also unable to convey why some things take more time than expected during modelling or software development'' For a business it doesn't matter why you don't ship on time. I bet the team would have been happy if you ship something much simpler on time actually. DHH was writing about the philosophy, that features can be dropped/changed by communicating, but the timeline has to be hard in business.