You should care because, the vast majority of the time the person working with it after you, will be you. But to your point, people think they want “flexibilit

You should care because, the vast majority of the time the person working with it after you, will be you. But to your point, people think they want “flexibility” or some similar concept, and they end up adding immediate complexity that never pays off, or worse, they pick the wrong abstraction and have a mess that’s hard to undo later. What they should be aiming for is simplicity. Instead of trying to predict future, keep it as simple as possible to give that future person a chance of tackling the future needs when they arise.