It actually seems like quite a refreshing mix of options to me. There is a right wing bias, but its far from the only viewpoint on there.
Useful when you want to get a sneak peak at the propaganda campaigns, and internet brigade tactics and talking points that are about to be rolled out against the public (or A/B test some of your own), but not so much for serious debate.
Like 99% of the stuff you see on there is going to be deceptively worded or presented, or just factually incorrect. If you're letting 4chan influence your opinion, you're using it wrong.