Many times a carrier will block access to torrents for the same reason we don't approve of them here, namely open piracy. When you see a 0 file size for a torrent file the listing is there but the file has be pulled. Again, most likely for copyright violation or outright piracy.
It's just not cool to disrespect developers and artists by taking their hard work and giving nothing back. Let's not be "that guy".
I'm going to lock this thread since it's gone as far as it should. If you think it should be re-opened, you can make your case in a private message. I'll be more than happy to discuss it.