This too.
The little stoves with the small cans are just one of many options. You can build a rocket stove out in the yard too.
There are many ways to go -
But this little stove - and a few butane bottles you can slide under the bed or store on a shelf in the closet. You can use it on the kitchen counter. On a picnic table at a rest stop.

Its tiny tiny like some of those personal rocket stove options, its a more "standard" option - its a good Christmas gift for gramma. So she can have a hot meal when the power is out for a while due to a storm. Or for the apartment dweller if they shut off power during a Virus lock down.

This is my last post defending the concept.
The video is a good representation of how to use these little stoves IF ITS THE RIGHT OPTION FOR YOU.