That’s essentially the same argument which was levied against the Gutenberg press, and the home telephone, the crossbow, and virtually all significant advances which served to empower more people at the expense of hierarchy.
I don't think jerf is saying that the increased prevalence of witch hunts is an argument levied against the internet. I'm pretty sure jerf is an enthusiastic supporter of the internet. Nonetheless, the increased prevalence of witch hunts which is enabled by the internet is lamentable and worth addressing.