(b) The court may waive any civil fine for which a person who violates the provisions of the section would be liable if the court finds that due to reasons of economic hardship such person was unable to purchase a helmet. 4. The failure of any person to comply with the provisions of this section shall not constitute contributory negligence or assumption of risk, and shall not in any way bar, preclude or foreclose an action for personal injury or wrongful death by or on behalf of such person, nor in any way diminish or reduce the damages recoverable in any such action.