Could this be a scheme to look at everybody's applications? Why would the angel not directly go to YC demo day or ask them for the reject list? When desperate it is easy to lose sight of what is plausible.
Please don't get me wrong, I am not calling you a liar, but this is just healthy skepticism. If I were to ever go along with this I would need to see some written proof.
If you have actually done this you're doing a great service to a lot of people.