I've never heard any filler, the whole thing rocks all my socks from start to finish. As far as the pissing off the mainstream part, I honestly just heard that story about a year ago for the first time, haha. It of course kicks ass because of that, but the music man, wow. Just wow. Still blows me away.
If you don't like Patton, you don't like Patton. He's a pretty big weirdo.