I've had the pleasure of having the serviced demoed(?) for me and it's really an impressive product, complete with db models, controllers (Scratch like) and fro

I've had the pleasure of having the serviced demoed(?) for me and it's really an impressive product, complete with db models, controllers (Scratch like) and frontend. All though I have a hard time figuring out the use case. Will graphical interfaces ever replace pure code for a programmer? And if you're not a programmer, how will you ever understand things such as DB-modeling?