> Yes, I know there are solutions here like small fridges and hot plates. But those cost money and require time and effort. Again, scenario is living in a car or the streets.

There's at least one benefit to China dumping solar cells and other stuff all over the world: even as a homeless person... at least as long as you got a car, an EcoFlow Glacier and a shit solar panel are less than a grand, and it provides both a refrigerator, a small freezer and a way to keep your devices charging.