Thanks for giving more feedback. Would you be kind to respond to the other child of your OP pointing out that the winner had been working and actually demoed their app way before the starting period set out in the rules? Thanks!
gwf. if you, and salesforce, really believe it was an improbable series of poor decisions and not malicious intent, tell your bosses it is time to build the redemption story. and we can speak about how to reboot this together, the company and the contestants.