1) Reply on Amazon and call it an "act of sabotage".
2) Use your platform at HuffPo to post a rant
Edited to add:
4) Delete comments on HuffPo that disagree with you
Have you posted a comment that failed to appear after a considerable period of time? Feel free to post it in a comment here see we can see whether it meets the only accepted deletion reason at HuffPo: "vicious and inflammatory comments."