Well, if you'd actually seen the movie before commenting on it, you'd know that's not Michael Moore's point at all. He doesn't say get rid of all guns, and he explicitly says that he's a member of the NRA and has no problem with someone having a gun in the home for self-protection. The question he asks is what is it about the US that causes us to have so many gun deaths, when Canada, right next door and with as many guns per person as the US, has so few? He explores possible reasons, but he never claims to know the answer.