AI is collapsing the traditional boundaries between product design, product management, and engineering, making the old handoff-based workflow increasingly obsolete. As AI tools can now turn ideas, requirements, and design systems into working prototypes and code, designers are being pushed toward a broader role the author calls a product architect—someone who combines product thinking, systems design, technical understanding, and creative judgment. Rather than focusing on screens, specs, or deliverables, the most valuable skill becomes deciding what should be built, how it should work, and whether it solves a real problem. This can be an opportunity rather than a threat: design isn't disappearing, but evolving into a more strategic, multidisciplinary role where taste, judgment, and systems thinking matter more than execution.