BTW, do desktop GUI apps have non-programmer designers? Well, not non-programmers, but programmers who know the particular layout libraries of the platform bet

BTW, do desktop GUI apps have non-programmer designers? Well, not non-programmers, but programmers who know the particular layout libraries of the platform better than the programmers writing the data access layer, for example. I'm not saying this is universally true, but when I worked for a larger team focuses on a single product, that's pretty much how it worked.