Right, and the story now shifts to: What's your customer service & support model? How can you prove this is stable and that you can maintain it? Who is going to handle the pages in the middle of the night?

All those things are beyond the demo itself. Vibe-coded demos are just demos. There are stability, security and everything enterprise that still needs to be added to a demo to actually make it functional as a paid offering.

The hard problems still remain.