Several years ago, I wrote a very long-winded article entitled The Katzbalger Thesis. This has been discarded, because it was much too wordy and overdone. It might still exist for a time in Google's search cache, if you want to bother to read it.
What I was trying to say should have been stated more concisely. I will do that here and boil it all down to just nine words:
There are lots of crazy people on the Internet.
Yes, that's the way it is. But you knew that already.