To stay with your Ratatouille analogy, how does YC know that "someone (anyone) can cook"? Either they eat something that you have cooked, or they look at your p

To stay with your Ratatouille analogy, how does YC know that "someone (anyone) can cook"? Either they eat something that you have cooked, or they look at your past achievements to see if you can cook (chef at a Michelin star restaurant maybe?). Barring these two, YC doesn't know that you can cook. If you build a site which gets 10 million visitors daily, YC will know that you can "cook", and won't care about what your background is.