Just today Redpanda hit HN front page https://news.ycombinator.com/item?id=25075739 https://news.ycombinator.com/item?id=25075739 and I cannot see how would you

Just today Redpanda hit HN front page https://news.ycombinator.com/item?id=25075739 https://news.ycombinator.com/item?id=25075739 and I cannot see how would you give a demo of such a system without having such a system developed in the first place. At the very least, the whole of HN would laugh at such a salesman trick. I do think there is a spectrum of fake-it-before-you-make-it ability for each idea. For some like Instagram is close to 100% and for things like Redpanda it's close to zero.