Enterprise programming is the management of system complexity. The main goals of most enterprise projects are to minimize bugs, ensure scalability, and release as soon as possible. These goals are unreachable in projects where people rely on individual skills rather than on a system-based approach.
That’s cool if people can agree on what maintainability is, which changes improve it and which changes hurt it.
You can get two people arguing for the exact opposite thing, while both of them use maintainability as an argument.