I think the no-fly has even more issues than just circumvention [1]. Schneier calls it "a list of people so dangerous they cannot be allowed to fly under any circumstance, yet so innocent we can't arrest them even under the Patriot Act"[2].

1: http://www.schneier.com/blog/archives/2006/10/nofly_list.htm...

2: http://www.schneier.com/blog/archives/2007/08/conversation_w...