There are multiple causes but a lot of the nastiest code I’ve seen did suggest “I don’t have time to update those other layers”, along with the very common misp

There are multiple causes but a lot of the nastiest code I’ve seen did suggest “I don’t have time to update those other layers”, along with the very common misperception that you’re working on a huge shared service for the ages and need everything to be as generic and customizable as possible.