I think the supporters of a law should be required to demonstrate that the problem it supposes to solve is real and even conceivably solvable by government acti

I think the supporters of a law should be required to demonstrate that the problem it supposes to solve is real and even conceivably solvable by government action. In the absence of that it's safe to condemn any legislation on the topic, particularly when there's such a bad track record of alternately useless and harmful laws in the subject areas.