Even before the pirate bay became a vague concept often repurposed by people trying to sell dubious VPN services or mining cryptocoins with your browser they had already ceased to be a tracker. Those are just indices! They'll suggest some actual trackers on the magnet URLs in their listings but you can get comparable results using a DHT search engine.

You can intersect here "trackers" that are "public":

https://en.wikipedia.org/wiki/Comparison_of_BitTorrent_sites