Yes. I think so too.

The post are all that count. You can't vote someone up or down, like on HN just because you agree or disagree. You don't have to think about your personal reputation when you post and how much upvotes you get.

Simply plain information.

Yes there is a whole bunch of BS going on, if you visit stuff like /r9k/ and /pol/, full of nazis who think hate-speach is the essence of free speach. But the topic boards like /fit/ or /fa/ or /ck/ have really good distilled informations.