I watched the demo video. It looks like what the Visual Basic form builder was for Windows programming in the 90s. However it will be difficult for non programmers. The very first dialog about Google Maps has menus "API provider" and "Query". I wonder how many non programmers know what they are. They can take a guess and learn but maybe this is still too low level. The second example is about building a login form by…
They used it just for the tabular form.
But I agree with you on everything.