Publishers used to employ people called "Copyeditors". The job of the copyeditor was to save the publisher the embarrassment of letting the audience know that the rest of his staff couldn't write.
The Internet and the Kindle haven't quite killed pubishers yet, but they've killed copyeditors stone cold dead.
The Vigilante Copyeditor is not amused. The Vigilante Copyeditor is tired of reading illiterate garbage. The Vigilante Copyeditor thinks that if publishers have decided to save expenses instead of saving embarrassment, they might as well HAVE the embarrassment.
The Vigilante Copyeditor is taking matters into his own hands.