* If you don’t treat maintainability as a requirement, you usually won’t write maintainable code. * If you don’t know how differently other people model ideas,

* If you don’t treat maintainability as a requirement, you usually won’t write maintainable code. * If you don’t know how differently other people model ideas, you usually won’t write maintainable code. * If you don’t know how differently you’ll model ideas in the future, you usually won’t write maintainable code. There’s nothing about being a lone developer that means you won’t write maintainable code, but gaining the perspective necessary to do so requires either experience or feedback. So the lone developer problem is only really a problem for early-career developers and incurious ones.