indeed not a bug,downvote
btw: in the latest patch you can open can's with sharp objects, knifes etc.. but you will spill some of the food.

i actually like the drop rate atm, there just should be more ways to get food for the players who have progressed more, so they will leave the milkpowder & cornflakes for the players who have just respawned.
als,some types of houses never seem to have loot in them,this makes it kinda predictable after a while where you can find food and where not.

....predictable=boring....