That's the hard part about tools like this. They're too simple to be used for anything important, and as soon as the creator follows that path you end up in a situation where it's too simple for anything complex and too complex for anything simple.
Amazing platforms like Glitch ran into this problem.
(Some did pull it off! Like how Vercel built a kingdom out of `now`.)
Solvable with reasonable defaults and putting most things behind an advanced section?
The more complex the more fragile. The simpler the solution the more robust. This, I feel, is an overall truth to software development. And simpler solutions, as far as I know, are usually the more useful ones.