Reddit is bad too. Apparently it isn't, but if you read it closely, you'll see it's all circlejerking and demonisation of the other side.

I think it is just impossible to have a massive internet forum to discuss politics without it turning into rubbish.

Like 4chan in its early days, please consider that a good portion of the extreme obscenity is a canary in the coalmine to ensure speech isn't being limited...