No Man's Sky advertises 18 quintillion planets. That is not because someone modeled them by hand. It is because the game generates terrain, flora, and atmosphere from mathematical functions seeded by the planet's coordinates. The core idea is procedural generation, and the simplest building block is noise. If you fill a height map with random numbers, you get chaos. Real terrain has smooth transit
Every AI app I've shipped recently rewrote the same plumbing. The OAuth dance for Slack. Encrypted storage for an API key. Refresh-token logic that finally fails on the 3rd call after an hour. Wiring up an MCP client to a server behind a bearer token someone pasted into a Notion page.