Although the Civilization World Tree is incredibly tenacious, and the higher the degree of racial civilization, the more people across the material world and the Dark Matter World, resulting in its greater resilience and thicker trunk, it is no longer an entity of information in nature, but a tangible dark matter entity. Hence, its destruction is possible, and its consequences would be the irreversible and devastating mental destruction of everyone within that civilization.
Put simply, either people go mad or become fools, or they become both mad and foolish.
