Dehydration, sunburns, bug bites, there are plenty of reasons you want clothing.
Clothing has inherent value whatever climate you're in.
Food does have inherent value.
Food is necessary to keep the human body, and the body of many other species, alive.
The excess of food for a given population may have less value, but you can trade that excess, or harvest or store it; the food itself still has inherent value to humans and other organisms that eat food.
You're looking for particular circumstances that mitigate or otherwise affect the inherent value of certain goods, though your scenarios depend on those goods having inherent value in the first place.
The fact that certain material goods have inherent value is not flawed, but you can keep trying.