Because one of the points is false. A priori, you're right: there could be hideous waste in this area. There probably is, even. But you haven't provided example

Because one of the points is false. A priori, you're right: there could be hideous waste in this area. There probably is, even. But you haven't provided examples of it, and there's no real reason to assume that the wasted effort would be obvious at a glance.