First off, the "anarchist cookbook" has no relation to anarchy or anarchist, people who go around making weapons and harming others and damaging property are not anarchists, they are retards.
Secondly, I agree that this book is one of the most perverted books to be published in a long time, and the authors seriously need to reconsider their mental health, that being said, I don't think this book, or ANY book (even mein kampf) should be banned, as idiotic, or hate filled it may be. As krellin said, people need to take some responsibility for their actions, the parents pinning the reason they committed such atrocities on the book is laughable. If some stranger tells you to kill someone (for example) do you do it? And if you do,who is guilty, the stranger or the dumbass with questionable morals who actually did it, which could lead to the conclusion that the person committing the act would have done so without the tip from the stranger. Can you honestly believe parents who beat their kids with pipes, starve them and commit other insane things would not have done so if they didn't read the book? Someone capable of fulfilling what the book says needs to be seriously questioned.
Also, addressing the aggressiveness and bias towards Christians, by the article, as a Christian myself, it is insulting that the article groups all Christians as supporters of this evil book. "Christians" that carryout what is written in the book are not Christians. They are defying Jesus' teachings in doing so. I was personally spanked when I was a kid, but I was never starved or beat by a fking pipe, or abused. In my culture (eastern European) it is common for parents to spank their kids for misbehaving, but the spanking is almost never abuse (when it is its because the parents are alcoholic or have twisted morals etc) and is done to teach the kids to be better, not with the purpose of making your kids crawl into a hole and "obey". That's just fucked up.