I'd argue it's not CEOs job to code his own dashboards...
This sounds like a vibe coding side project. And I'm sorry, but whatever he builds will most likely become tech debt that has to be rewritten at some point.
>>Willia+(OP)
Or to steel-man it, it could also end up as a prototype that forced the end user to deal with decision points, and can serve as a framework for a much more specific requirements discussion.