Why don't you want to repeat it? Why don't you even link to it? Come on, if you have a valid complaint then make it. If you want to hide behind your unsubstaniated claims please fell free to do so, but don't expect any of us here to take you seriously.
As for post-dating a copyright claim. Um, is it an infringement of a law to make a claim where the law requires no claim? As of March 1989 it is unnecessary to make a claim for copyright in the US.
In fact I liked the book you refer to. I found the material presented very useful and informative. It has helped me to understand the processes of spidering and what I could expect as results. I also have the "Linux Server Hacks" and for a non-sysadmin like me it is also very useful.
Sorry, no boycott for me! I have found O'Reilly one of the most ethical publisher in the field of recent years and I will continue to support them in any way that I can.