> Finance folks reached out asking if they could vibe code their own app using Copilot/Cursor/Claude for finance planning purpose.

Having worked with these finance apps (Hyperion, Axiom, Workday etc), they're very data heavy and getting good performance out of them requires real engineering, so much so that they come with their own spreadsheet software to handle the multi-dimensional multi-million-row datasets (along with many other requirements like auditability, version control, workflow, consolidation etc) that excel just can't handle with all its limitations.

On the other hand, there's the 'Let Them' theory [1].

[1] https://www.amazon.com/Let-Them-Theory-Life-Changing-Million...