In my experience a Proof of Concept is king but even then there is a balance to strike. A PoC that is too rough around the edges has the risk that less imagina

In my experience a Proof of Concept is king but even then there is a balance to strike. A PoC that is too rough around the edges has the risk that less imaginative people will not get it. But a PoC that is too polished risks being confused with an end product and people may start to focus on implementation details rather than the concept.