1. The document discusses the benefits of design systems for handling large quantities of content and scaling websites over time. It notes consistency, efficiency, teamwork, and scalability as key benefits. 2. A case study example shows how a design system with core elements, building blocks, and pages allows for many variations like a taco menu. Maintaining the system is important for continued use and extension. 3. Getting buy-in requires framing the benefits in terms of investment returns like reduced costs and improved collaboration over time. Teaching clients the approach also helps secure support.