Why do people seed torrents?

You're right, which is why I don't use "private" trackers like Demonoid which simply require a quick invite.

Private trackers are ranked 1-5 or 1-10 (5 or 10 being the highest respectively). The tracker I'm on is rated 4.5 and 9 on which ever scale you go for so we're not talking about every man and his dog has an account and available invites (i.e. Demonoid). Invites are only given on request and the admins consider the request before they dish one out for you.

Yes, the chances that a Fed is there to catch you out will always be there, but with such trackers like mine, it's very unlikely.

You're right, which is why I don't use "private" trackers like Demonoid which simply require a quick invite.

Private trackers are ranked 1-5 or 1-10 (5 or 10 being the highest respectively). The tracker I'm on is rated 4.5 and 9 on which ever scale you go for so we're not talking about every man and his dog has an account and available invites (i.e. Demonoid). Invites are only given on request and the admins consider the request before they dish one out for you.

Yes, the chances that a Fed is there to catch you out will always be there, but with such trackers like mine, it's very unlikely.

I too have not heard of this scale. But what exactly do the admins take into consideration before giving out an invite? They can hardly do a background check on you, as that is against the nature of torrenting. You are just as anonymous as the feds. And what's to stop someone adding TPB's or Demonoid's tracker to a torrent before uploading it? Unless it is just common practice within these higher ranked communities to check every torrents trackers, though I can't imagine that being the case. Even if you warn people of something in comments, on any website, regarding anything, there is always someone incapable of reading the comments, or even the description/article.

They basically do-do some kind of 'background check' on the person you're inviting. You have to link them to the user on other torrent sites and they'll determine whether or not the user 'deserves' an invite. Then you have to go and describe how you know this person, how long you've known this person, and so on. It isn't just a 'enter email address to invite', private trackers do their best to stay underground!

I would hazard a guess that if you tried to include other trackers along with the private one in a torrent, it would be rejected when you upload it. I'm not sure, I've never been foolish enough to add in public trackers, and I doubt anyone else who cherishes their account has either!

If you do a quick Google search, the rankings were posted on various sites. Also, neither ScT or FTN