The first authority to keep you from trying to control his speech is the speaker. And you can go as far in suppressing him as your ingenuity and politics carries you. In a free society, that is, Satanism, witches, Muslims, educators, or whatever. They are all here, and they are active.
What is your point?
LOL. I think my point, refuting your erroneous spew, is perfectly clear. Figure it out.