Even with assholes like that we shouldn't change our approach to food banks. Desperate families need that food and while "welfare queens" exist they're the exception rather than the norm. We, as a society, just need to accept a certain level of waste because the cost to police it outweighs the cost to just oversupply. That all said, I do hope an aide worker catches on and stops your roommate or that they mature out of being an ass.

But, for the sake of your roommate's punishment, I'm not willing to take food out of hands that legitimately need it.