I think most of us remember the DreamWeaver days of WYSIWYG editors. Products like squarespace have been hugely influential, I'm the type who would normally nope out of using such a product but I've recently become an advocate for the better ones in a number of situations.
Will it take over like they said it would ten years ago? Hell no. Will it gain more market shares as people apply it to the right problems? I think so.
True, I think there's been a trend towards less programming for specialized applications. But in a way you're making my case for me anyway: If what you are saying is true then the fabulo.us claim of being "the first" is false regardless.
Oooh... that's going to be a tough argument to sell to people.