Right, so the only thing you can do as individual is to defend your own position/moral. In the end what determine the answer to the problem of 'should x be ille

Right, so the only thing you can do as individual is to defend your own position/moral. In the end what determine the answer to the problem of 'should x be illegal' is entirely depends on how successful are you to defend your position. There are no one "true" answer.