To add another counterexample into the mix, I’ve met many artists and designers who are proficient with Unreal Engine’s Blueprint with no C++ experience. Some have even shipped games made entirely in blueprint with no traditional code.
To add to that: Clickteam's Multimedia Fusion 2 Developer, which I learned to make games with back in elementary school. It is strictly (although not exclusively) "no code." Hell, one of my favorite indie games of all time, Knytt Stories, was made in it.[1]
I think you can add stuff like Twine and Inkle's scripting language Ink to that. Their user base is emphatically not programmers, but they are definitely domain specific languages.
