I've worked at places that had a fridge where people stored their boxed meals, and they had a rule that the fridge is emptied (to the garbage) on the weekend, t

I've worked at places that had a fridge where people stored their boxed meals, and they had a rule that the fridge is emptied (to the garbage) on the weekend, to avoid accumulating people's forgotten rotting food. Seems like it can be applied to cups as well.