So one company has stopped this practice. It seems every few days I see an announcement on Xbiz of more people suing Bit Torrent users downloading pirated porn.
http://www.xbiz.com/news/129866
http://www.xbiz.com/news/web/129683
http://www.xbiz.com/news/web/129652
Suing the innocent is bad. Suing the guilty is good.