You need foreign keys and surrogate keys because you broke your relationships

Many developers believe they need a relational database because their data has relationships. The reasoning usually goes: "My entities are related, therefore I need foreign keys, therefore I need an RDBMS." But the causality is actually reversed. Normalization creates the need for foreign keys—not the other way around. This misunderstanding persists when the builders are agents, because LLMs operate on high-dimensional similarity (vectors), which may catch correlation better than causality. Norm