People rebuilding their homes with earth
bbc.com
bbc.com
It must be that kindling is easy to bring to a site and cheap? It certainly doesn't insulate as well. Never mind that kindling burns, rots, hosts insects, or gets snapped like matchsticks in a strong breeze.
If rural EU -- or Ancestral Puebloan dwellings -- are our guide, these earth homes will long outlast their neighbors.
In Finland, logs were generally available. So logs were sensible material to use. And they have somewhat reasonable insulation properties. And rotting and such is not so big deal as long as there is some separation from the ground.
In the end it depends on availability of material and climate.