John Oliver also did a good comedy/news bit a couple months ago about food waste. This is a "market" with little or no infrastructure to deliver food to those who need it
So, you're saying when Safeway wants to sell me a full gallon of milk for $5 that expires in like 3 days, I should just go ahead and buy it even if it'll take me a month to drink all that ?
I don't think hummus improves as far as safe eating by being non-refrigerated.
Maybe this is the reason it was in the dumpster.