>>14348555Because anime producers are mostly creatively bankrupt social rejects, pampered otaku losers who are afraid of leaving their comfort zone. Imagining a fantasy setting without all the advantages of the modern world is too taxing for their stumped manchildren brains, so they'll keep pumping out run of the mill nuisekai trash as long as losers like them will keep the sinking ship afloat. Truly two nukes weren't enough for the westernized bugmen.