At first, urban tribalism was considered nothing more than another fifteen-minute fad that would fade along with all of the other crazes that came before . But the tribals didn’t go away . They proved the adaptability of human nature by finding ways to continue and to survive . They took ancient folkways and techniques and adapted them to life in the urban jungle . They found niches in the city ecology where they could live and hunt and raise their families . They cut themselves off from the rest of the world . They established their own " reservations " in the midst of the chaos of the sprawls, staked out their territory and defended it against all comers .