On Fri, Sep 20, 2013 at 12:13:08PM -0500, David Carlson wrote:
Considering more sophisticated methods to detect and differentiate legitimate activity from nefarious activity would be too difficult, i suppose.
The step after that is when they intentionally over-list in order to try to influence policy and trends. For example, when they start blocking all your neighbors too, to get them to hate you and to encourage you to stop whatever it is the blacklist operator doesn't like.
I'm a big fan of the lessons in http://paulgraham.com/spamhausblacklist.html (as linked from https://www.torproject.org/docs/faq-abuse#TypicalAbuses )
--Roger