Things have changed a bit, but not much.

First, Google heavily censors results nowadays. You will get much more results with say Yandex.

Second, TPB is no longer the best public torrent host. For public sites rarbg and 1337x are better alternatives.

Also, for anyone actually doing this kind of stuff regularly, the key is to enter the world of private sites. There is more than enough public discussion around them on sites like reddit. https://old.reddit.com/r/trackers/

So, it's still really easy. Your knowledge (like TPB) is just outdated. However for people who have equivalent modern knowledge, things are simple.