"Since your request is one on which our validation process failed, we are posting the points you requested. Please be aware that if the validation process later identifies that the points were not earned, we will remove them from your account."
You're awfully generous in your evaluation of their capabilities

--if they can't perform one task (ie, reliably post mileage), how can they be expected to perform several (post mileage, attempt to validate, deduct if necessary)?