Unconstitutional laws have serious consequences, including the erosion of individual rights and the undermining of the rule of law. When laws violate constitutional principles, they may prompt legal challenges, resulting in court rulings that invalidate those laws. Such rulings reaffirm the importance of judicial review and the protection of civil liberties. Additionally, the existence of unconstitutional laws can foster public distrust in governmental institutions, as citizens may feel their rights are not protected. Overall, upholding constitutional integrity is essential for maintaining a fair and just society.