In fact, the plenitude of bison and other game in the war zones reflected the status of the area as a buffer zone, where war parties of various tribes or nations were ever at hand, and anyone hunting, processing and drying meat might be killed by enemies.
On a more fundamental level, the war zone theory implies that humans are a force outside nature, that their impact is unnatural and therefore undesirable. However, humans are an integral part of nature, one of many forces that have long kept the natural world in a constant state of flux.