In my case, I didn’t see any advantages compared to public trackers. Users of private trackers are supposedly all so elite, but in reality they pay for seedboxes and try to be the first to download literally every new release to at least somehow support the ratio around 1.0.
Guys, while you seed all sorts of junk for the sake of who knows what, I seed really useful content on public trackers and have a ratio of 99.3, which in fact does not affect anything.
There are normal private trackers, of course, such as Milkie, but there are a lot of dead torrents there.