Do Filmmakers Ever Change Their Mind About Their Own Documentary?

Over the weekend, I read Michael Moore’s tweets in response to the UCSB killings and was surprised that the filmmaker came across so anti-gun above anything else. “For you who are scared of a guy breaking in to hurt you,” he wrote in one of the last from Saturday night, abbreviating most of the words, “trust me, you aren’t going to fire a gun half aslee…