Facebook's massive, secret rulebook for policing speech reveals inconsistencies, gaps and biases

Facebook claims that it is attempting to tackle misinformation and hate in its social media platform. Seems more like a simple case of infringement on free speech, but then, what the hell, the First Amendment only protects us from the government. Seems to me that if you want to use Facebook, you must obey their rules and keep your thoughts to yourself. What say you?