Mahatma Gandhi was truly the champion of Passive- Aggressive wars. He understood that a peaceful but firm display of disagreement was always stronger than a direct assault.
As with any debate, a straight on launch into fired-up arguments will always leave your opponent looking much more calm & confident than yourself.
When one argues for greed, it is about personal gain,it is about how smart you will come off, and by extension, the reflection of what the public thinks you deserve.
When one is sure of their need, you no longer struggle with fear because the argument is about something much bigger than yourself.
The need for environmentally responsible actions for example, can be argued for with a concrete mental sureness, that you are absolutely right. 🙂