The whole feed is like Tomorrow's World done by people who smoke tons of weed. Although the picture that turns into a dining table is practical and space-saving.
I can see the worth. If its a tsunami you're trying to survive, it'll be over in a less time than for you to run out of air. The five days of food is once the waters retreated and you have to wait until help arrives.
Unless it takes you out to sea... Then you're fucked.
$13,500:
https://twitter.com/cheddar/status/1213829000570626051