This should go without saying, but there is no level of “frustration,” and particularly not “frustration” in response to artwork or the written word, that could ever excuse such a complete loss of self-control.
Miss Verity admires the author’s ability to bend that far backwards, but his contortionist skills look slightly cheap next to the serious objections raised in the comments. Her particular favourites are here and here. Oh, and this one. She particularly notes that those commenting are able to disagree with the ever-so-understanding Mr. Illeborg without setting fire to anything.