On paper, it doesn't make any sense. Why should an expensive developer spend time learning cheap tasks? Surely we can hire someone to do it. But the math doe

On paper, it doesn't make any sense. Why should an expensive developer spend time learning cheap tasks? Surely we can hire someone to do it. But the math doesn't work like that on a team. The paper value I've seen in my company is a huge reduction in communication overhead. We aren't constantly pinging each other for revisions of this or changes to that. The design expert will set the original design. Design-savvy developers pay more attention to detail, implement designs more thoroughly, and can make small changes perfectly. It doesn't sound like a lot, but these details are exactly what make a great product.