Smart contracts are usually not meant to be actual contracts between parties so much as something more like financial applications. For example, a common type o

Smart contracts are usually not meant to be actual contracts between parties so much as something more like financial applications. For example, a common type of smart contract implements a new token type by providing an API for distributing and transferring them. This is the kind of thing that could be useful if you could upgrade it, perhaps with input from token holders. That said, I totally agree with the idea of declarative smart contracts for things that are actually contracts.