"I've volunteered at the local food banks and base on what I've seen, Costco peanut butter is probably an upgrade to the various expired high fructose laden supermarket rejects"
The food banks I've volunteered at have very high standards and a big part of the volunteer's job is to weed out expired, leaking, or generally icky-looking packages and throw them away. I wouldn't be surprised if we threw out 25% of the stuff we inspected, especially on the frozen food line. Our instructions included something along the lines of, "if you wouldn't want it in YOUR pantry, throw it out." (It was understood, of course, that this applied to safety concerns, not palatability. As gross as I might think Lunchables are, they provide FDA-approved calories to kids who might otherwise go without.)
I know I wouldn't feed any of this peanut butter to my kids no matter how much testing it had received, so would it be morally right to feed it to the underprivileged?