[Question Liberal Authority]

People have these things called "freezers". Many are filled with a substance called "food". When the electricity is out, the freezers don't work and it's possible that the food will spoil.

A few pounds of ice could prevent a few hundred dollars worth of food from spoiling. Pretty good return on investment.

[NonZeroSum]

Also, some people require refrigeration to keep life-critical medicine (e.g., insulin for diabetics).