It makes all the difference whether you ban speech by content from a particular forum, or try to ban it everywhere. The latter is poisonous and counterproductiv

It makes all the difference whether you ban speech by content from a particular forum, or try to ban it everywhere. The latter is poisonous and counterproductive even when the content in question really is wrong and vile. By my skim of this article it explained the former kind of ban and then slid straight to advocating the latter.