We explore whether interface design is merely decorative or a structural constraint that dictates how we perceive value, speed, and memory. From Nicolas Leuliet’s argument for restraint in digital archives to the cultural UX of self-ordering kiosks, we see how design choices shape user experience beyond universal functionality. Meanwhile, we wrestle with the tension between rigorous measurement and accessible tools, asking if our reliance on expensive hardware and ambiguous metrics like NPS is gating who can participate in the field.