If the author fundamentally misunderstands the social and technical implications around the topic. Then yes, it's good that all the comments are correcting the misunderstandings of the post.
The blog post makes a lot of arguments, that sound like they might be good. Only until you try to apply them to reality, when they fail. So yes, it's a good thing that examples that would encourage the debate to shift from critiques of the faulty arguments, to heated exchanges over internet drama requiring popcorn.
The point of an essay is not just to make true statements. It's also to convince readers of those statements. Thus, the way the arguments are presented by the writer, and the way that readers interpret the arguments, is crucial.
