It's rude to leave spoiled food in a shared fridge.
Maureen notices someone has forgotten to take their lunch out of the break room fridge and it has spoiled.
Maureen wants to put her own lunch in the break room fridge.
Maureen throws out the spoiled lunch, and places her own lunch into the fridge.
Maureen ignores the spoiled lunch, and places her own lunch into the fridge.
At noon, Maureen and the rest of the employees have an enjoyable lunch.
By noon, the smell from the spoiled lunch has made everything else in the fridge smell very bad.