Tools like this are great for getting 80% of the way there, which is often enough in some contexts. I look at these tools like I look at spreadsheets: you can stick a surprising amount of business logic in them, and while the thought of using them might make developers shudder, they get the job done.
If you need that extra 20%, hand the resulting project off to professionals to build an application out of it.
If you need that extra 20%, hand the resulting project off to professionals to build an application out of it.