People should have the right to bear arms in self-defense, but it needs to be more restricted to avoid giving it to people who might not use it for such a purpose.
Making bad sequels to great movies should be illegal, yet it will never be known if the movie is bad if it's never made (according to the viewpoint of the entire populace). There needs to be some all-knowing automated system that rates movies and their sequels. For example, there should be no Bloodsport 2.