Earlier quoted context omitted.
I'm honestly not even sure if civil political discourse is desirable in times of radical actions being taken by the government. I almost think that's worse than no political discourse. e: To clarify my point, e.g. you can't calmly disagree with whether or not it's okay to shoot people in streets, that diminishes it as if it was just a slight disagreement
What's the point in discourse if not to change the other person's mind? Triggering the limbic system of the person you are talking to is the fastest way to ensure they won't be able to engage with their PFC and actually hear and consider what you're saying. If the point is just to feel better about how righteous and right you are, then by all means proceed with your approach. But if the point is to influence somebody…
If one did live under Nazis German rule, would it have been wrong to scream, "The Nazis have control of our government and are executing innocent people in the streets!"? At that point you're trying to wake the public up to do something about it, not sit down and have a debate over Goebbels latest speech with some fence sitter who can't decide whether Hitler has gone too far.