There's not much central planning going on. For example, the smart contract standards for NFTs came out of existing smart contracts; they standardized a lot of

There's not much central planning going on. For example, the smart contract standards for NFTs came out of existing smart contracts; they standardized a lot of already-existing practices like creating a `transferFrom` function. Emergent standards like that exist to tamp down on contracts creating functions with slightly different function names, behaviors, etc.