This action violates all of our First Amendment rights and contradicts other Anonymous activists who proclaim the freedom to speak. The people of the Westboro Baptist Church have a right to speak their viewpoint, and the rest of us have a right to hear it. This is not just my opinion. It is the opinion of the U.S. Supreme Court, as recently stated in a case involving Westboro:
Snyder v. Phelps (2011) http://scholar.google.com/scholar_case?case=2981429692939250360&q=%22Westboro+Baptist+Church%22&hl=en&as_sdt=4,60