Sure, fire is good when you're dealing with them roaches, but kill them as you will, does nothing for the ideas, which sunlight is good for.

Yes, the US actually does have excellent lines on what's acceptable speech. In my not-professional judgement, it's speech that is the proximate cause of violence and incites it, and the daily stormer is outside of that. If you're talking about the US, you'd let the courts decide, and not corporations.