Blocking material leads to censorship. That goes for pornography and bestiality, too. If you don't like it, don't look at it... Every time I hear someone say, I want to protect the children, I want to pull my hair out.
"Preventing Kids From Seeing Illegal Smut Is Not Unconstitutional; It's Common Sense" by Janet M. LaRue, Senior Director of Legal Studies at the Family Research Council, National Policy Center: Idea House (2001)