The Inhumanity Humanity has Wreaked on Humanity...

You could write a book on the Inhumanity Humanity has wreaked on Humanity. No. A book probably wouldn't do the trick. It would have to be a series of books. Like a set of encyclopedias. Over-sized, hefty tomes, rolled out in alphabetical order. It would be a long record and a catalog of atrocity. Every horror you can imagine, and even some horrors beyond imagining would be documented.  No one would want to read it, of course, I mean, just reading those books would be an atrocity in itself.  Bottom-line, safe to say, and basically, way more pithy and concise is Walt Kelly's famous line from Pogo: