Even freedom of speech has its exceptions. You can go to prison or suffer severe civil damages for disseminating misinformation or allowing dissemination of misinformation that could harm people, if you are considered an authority on the subject or a steward over the listeners. Or if you are knowingly negligent in your dissemination, regardless of your level of authority or stewardship. You can also go to prison for encouraging dangerous behavior and attitudes that result in harm, especially if the attitudes and behaviors were based on misinformation or hate speech, and especially if the behavior and attitudes encouraged come from a person of leadership or authority who is aware their encouragement will incite violent or harmful behavior. Such as the Black Lives Matter rallies that resulted in violence and destruction of property, for instance.