Traffic rules are meant for your safety, and there should be no arguments against why you should ensure to follow traffic rules while driving or walking on roads. Traffic rules help protect you on the road as well as everyone else driving on the same road.
Yes because obeying a simple traffic sign could save a life. For example if you ran a red light you could crash and hit another car. Obeying a simple traffic sign represents that you follow directions and care about other people. Traffic signs are there to help people drive WITHOUT colliding with another car. There for YES obeying a simple sign could make you a good citizen.