Private trackers are just mostly ran by power-hungry people with basically 0 benefit to the regular person.

Yes, this problem can definitely be seen on some of the trackers, but many old school players have crews that are mature and behave normally. The only proof for this is their long track (10+ years) of successful existence. What the regular person gets from it is the access to the great quality of content in easy way.

I think it varies from tracker to tracker. The "cabal" ones probably match that, but a lot of the smaller niche private trackers have been very welcoming and a great place to get content in my experience. They are still very strict in terms of uploading requirements, but that is to be expected in order to maintain quality.

nobody's forcing anyone to use private trackers. There's a good reason they exist though.