[myguysi]

It seems like traditional craftspeople (e.g. woodworking) worked directly with the medium they designed for. AFAIK industrial designers are heavily involved in creating/production their products.

As a developer turned designer I can’t understand how anyone can design for the web and not know how to write HTML and CSS.

There’s always going to be grey area but I don’t think you should need an CS/engineering degree to build a UI.