You know why free speech? Because we humans are not infinitely wise. That’s all. If we, or some of us, were infinitely wise, we would be able to tell which speech was OK and which not-OK. Then the wise could sort out which speech to allow. But none of us is infinitely wise.
The way out is to allow all speech, and let us be free to decide whether to accept whatever proposition makes sense to us, and let the nonsense just be. Let whoever wants to say anything have a go at it and allow us the listeners the freedom to choose what to believe and what to reject.
OK, so we allow all speech. But what good does it do us? It helps us advance our civilization. I am making an utilitarian argument here. It is good for civilization to allow all speech, and to let them compete in the marketplace of ideas, and those that withstand scrutiny survive and advance our understanding. Continue reading