But when you're writing business software to solve business problems, many more people have a "right" to an opinion. Usually the business people know a lot more about the problem domain than the programmer. They are also the ones who will use the solution.

I've been thinking that this is one of the key differences between software and bridges. When you design a bridge, very few people have a "right" to an opinion on the bolt sizing. But when you design an order entry system, the business users (and users of the downstream data) have a valid right to an opinion.