That's nice for you.  If I wait for that level of proof I'm out enough money to buy a luxury car, or a small house.

Flound can't even vouch for who his users are.  So how can he attest that they aren't using defective gear, or intentionally withholding?

Your numbers say that 92% of the time a honest contributor would not have performed so poorly.  That's is enough reason to freeze payments until more information is available.