[throaway46546]

The better trackers are invite only. If you are found to be selling invites your entire invite tree will be banned. You have to be recruited or personally know a member to get in.

Take for example PTP. It is one of the best movie trackers. It recently exceeded 250,000 unique titles available in many different formats. Netflix in contrast only has 15,000 unique titles and their library is shrinking not growing.