You can tell he actually know very little about music itself.
He's criticizing the image of the bands way more than the actual music, which makes him just as image obsessed as the bands he criticizing.
He only seems to care about whether or not the band is political or not, making his lyrical tastes seem very narrow minded and small.
He acts like just recently music is all about image, when it's been that way since the 60's and even before that.
He doesn't actually give any musical reasons as to why these bands suck, or why he doesn't like them. Just saying something is "unlistenable" doesn't mean anything. Refused is unlistenable for tons of people. Doesn't mean they suck. If anyone actually cares about and believes music to be a true art form, than nothing would be "unlistenable".
If he actually wanted to seem smart and not like a "hater" he wouldn't have just rambled on about their tattoos and haircuts, and he wouldn't have compared them to his band, and his friends. It's impossible to be totally objective when it comes to music, but he doesn't make any attempt to be that and instead ends up sounding like a whiny 15 year old that has some free time and an internet connection. He wants to keep the people he personally doesn't like out of music, which is elitist, and selfish.
All he seems to care about is that people aren't doing things the way he does.
Nowadays, in the scene being taken over by Equal Vision, Rise, etc., image is the most popular thing. All these bands playing the exact same thing as the other all look alike, all dress alike; it's like disco again, where you have to fit into the style until you are really accepted into the scene. When Refused was around, there wasn't as much emphasis put on style as there is today. And he can criticize these bands all he wants, they're not doing anything new with their music. They're all copying other bands, trying to do things that are trendy and cool. Refused was all about changing punk music, treading in new waters, creating something that people in the future would look up to and be influenced to experiment by it. They were revolutionary to punk music, and I think Dennis knows that. He really is a pretty smart dude. Then again, a lot of those musicians from bands back then, of this nature (Swing Kids, etc.) do. They've really seen it evolve and understand what it all has come to and how formula-driven it all is now, instead of being driven by the artistic side of creating music.