The deaths caused by Kira in the anime "Death Note" lead to a widespread sense of fear, uncertainty, and paranoia among the general population. Many people become suspicious of those around them, as they fear anyone could potentially be Kira or a supporter of Kira. The constant threat of being targeted by Kira also leads to increased stress and anxiety among individuals, impacting their mental well-being. Additionally, the public debate around Kira's actions prompts discussions about justice, morality, and the role of vigilante justice in society, further influencing people's perspectives and beliefs.