Norman explores what goes into design choices as well as giving a survey of what, exactly, goes on in design. Although the ideal form of design where all interests collaborate with each other is surely a goal to look towards, Norman also acknowledges the multiple constraints that stop good design, be them economic (need for profit) or ignorance of design principles. There are parts, however, where the text strays away from what to do for good design. Thus, when mentioning the examples of sliding doors or what kind of feedback to use, the text goes on without saying what would be a good alternative and show acceptable design choices. However, since the text does give a very good explanation as to what makes for good design, it allows for a better conceptualization of projects that actively go against good design to satirize bad design.