airCloset CTO: AI Rewires the Tools, Not the Principles Behind Good Design

Ryan, CTO of Japanese fashion-rental service airCloset, argues that the core question driving information systems — how to make accurate information accessible — has not changed with the arrival of AI. Drawing on his experience building an internal AI platform called Cortex, he contends that AI represents a redesign of the machinery, not the underlying principles. He frames every information system around three nodes: creation, maintenance, and consumption, each requiring clear ownership to prevent quality decay. His approach favors rebuilding systems with AI treated as a foundational given, rather than layering AI tools onto designs optimized for purely human workflows. The essay serves as a high-level design philosophy piece, sitting above his earlier technical write-ups on individual platform components.