TaraSec proposes that Internet participants cooperate by sharing useful security observations while keeping local control over what action to take. That concept should be attacked, questioned and measured — not accepted because we say it works.
The Pizza Challenge turns the event into a practical experiment. Participants can help discover technical failures, bad assumptions, usability problems, false positives and better ways to design the system.
If you find a real weakness, you helped TaraSec.
The purpose is not to prove that our current implementation is perfect. The purpose is to find out what a cooperative security model would need in order to work.