Cancellation is using speech and other means to limit someone else's ability to speak. When you demand that your local theatre forbid someone from speaking, rat

Cancellation is using speech and other means to limit someone else's ability to speak. When you demand that your local theatre forbid someone from speaking, rather then just choosing to not attend and listen to it, that's yes, technically, using your right of free speech. It's what you're using it for that is the difference. In one case, to get your message heard, in the other, to prevent someone from doing that. In essence using free speech to stop free speech.