Darkness in El Dorado brings up many ethical concerns. To begin, Chagnon entered the land of the Yanomami people dressed in his version of Yanomami clothing. Although it appears he was trying to fit in, he was really trying to assume power and encourage the violence. He was constantly bestowing machetes upon the Yanomami in return for their cooperation. Unfortunately some of those who cooperated were considered outcasts of their own society. In a sense he was manipulating those around him to provide him with the data he wanted. He even solicited the Yanomami to conduct a dance for the camera. He also tried to stage a conflict. This backfired when they formed an alliance and then proceeded to attack another village. His research poses such conflict because it can not be readily verified. Multiple anthropologists, who have also visited the area have made claims against Chagnon's work. However unreliable it may be, there is no data that is more thorough than his.