To be honest, no-one, that's because of the finacial clout of these Associations, and I agree their tactics are disgracefull. I do know of one group that is trying to stand up and fight for privacy rights:
http://www.eff.org/flag/
Though they do comment on doing the following to stop getting sued:
http://www.eff.org/IP/P2P/howto-notgetsued.php
I guess stay legal, don't get done