X to doubt. You can do this now but it's limited to people with technical skills, and once you have figured out torrent trackers or TOR or whatever it is you're interested in, there isn't that much incentive to radically improve the tooling to make it more consumer friendly. If nothing else having it require some work insulates you from Eternal September. The less work it is, the easier it is for cops and politicians to whip up a moral panic about.