What exactly does this mean?? please explain and yes I have read your quote but I fail to see the relevance to Rudel's situation, are you saying Rudel was a coward for believing in and fighting for his beliefs? Rather than say, going against his superiors to fight for your beliefs or western beliefs??
Why don't you just say you don't believe his stories or respect his actions because he was a Nazi? It would save a lot of time and book quotes 
I've already said that. Folks keep trying to convince me otherwise. When I was 13 or so I was at my uncle's house and found a book on his shelves called "The Murderer's Among Us" about Simon Wiesenthall. One of the chapters describes a German Army Feldwebel named Anton Schmid and his actions in 1942. After seeing the ongoing annihilation of 80,000 Jews in the Wilna Ghetto, he knew as a human being he had to do something. He began smuggling in food and milk for the children. He ultimately was discovered by the Gestapo and sentenced to death for trying to help five people escape the Ghetto. In one of his last letters to his wife he'd written the following. "Everybody must die someday. One can die as an executioner or a helper. I want to die as a helper."
That kind of person inspires me. Rudel was an executioner knowing full well what he was fighting for. He too made his choice. That doesn't inspire me.
That you think this is just because he was a Nazi, I'll give another example.
Look up the My Lai Massacre, and the name Hugh Thompson. Some consider him a hero, others a villain for his actions that awful day. I consider him a hero and inspiring. You tell me what you think of him.